Chemistry Practice Tests 3

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Chemistry Practice Test 3

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1 / 100

Category: Chemistry

At Equilibrium, which of the following reactions is not affected by pressure?

NUMS Mock 3
Chemistry
Chemical Equilibrium

A) A

B) B

C) C

D) D

2 / 100

Category: Chemistry Ch 2 Class 12

Identify the correct statement:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Element sodium can be prepared and isolated by electrolyzing an aqueous solution of NaCl

B) Elemental Na is a strong oxidizing agent

C) Elemental Na is insoluble in NH3

D) Elemental Na is easily oxidizing

3 / 100

Category: Chemistry Ch 12 Class 12

Aldehyde is prepared industrially by air oxidation of ethylene using catalyst

NaCN + HO

20% H2504 + 1% HgSO4

PdCl2 + CuCl2

K2Cr207 + H2504

4 / 100

Category: Chemistry

Q.104 Which of the following does not show chain isomers

A. Butane

B. Propane

C. Pentane

D. Hexane

5 / 100

Category: Chemistry Ch 8 Class 11

Which of the following reaction has greater Kp than Kc?

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2NO + Cl2 2NOCl

B) 2SO2 + O2 2SO3

C) 2NOCl 2NO + Cl2

D) N2 + 3H2 2NH3

6 / 100

Category: Chemistry Ch 11 Class 11

For which of the following order of the reaction, rate of reaction is inversely proportional to the concentration reaction?

PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:

A) 1st order reaction

B) 2nd order reaction

C) Negative order of reaction

D) Zero order of reaction

7 / 100

Category: Chemistry Ch 13 Class 12

High molecular mass organic compounds, upon hydrolysis yield amino acids are called _______.

PMC Sample 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Carbohydrates

B) Lipids

C) Proteins

D) DNA

8 / 100

Category: Chemistry Ch 9 Class 12

The position of the double bond in alkenes can be identified by:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Bromine water

B) Ozonolysis

C) Baeyer's reagent

D) Wurtz synthesis

9 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acids can be prepared by action of and carbon dioxide

Sodium hydroxide

Grignard's reagent

Alcoholic KOH

Alkaline KMn0.

10 / 100

Category: Chemistry Ch 10 Class 12

In a Beta elimination reaction, the nucleophile attacks a\an:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Alpha hydrogen

B) Beta hydrogen

C) Hydrogen

D) Alpha carbon

11 / 100

Category: Chemistry Ch 10 Class 12

Which of the following is true about SN2 reactions:

They follow a two-step bimolecular mechanism

they do not undergo rearrangements

Methyl and primary substrates react faster than secondary and tertiary substrates

the rate of the reactions depend on both the substrate and nucleophile concentration

12 / 100

Category: Chemistry

Q.39 Which one of the following enthalpy change is always exothermic in nature?

A. Enthalpy of combustion

B. Enthalpy of solution

C. Enthalpy of formation

D. Enthalpy of atomization

13 / 100

Category: Chemistry Ch 6 Class 11

NUMS 2014
Chemistry
Chemical Bonding
Elimination Tool:

A) SF4

B) XeF4

C) NF3

D) SiF4

14 / 100

Category: Chemistry Ch 8 Class 12

1,4-dimethyl benzene is called as ______.

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) Ortho-xylene

B) Para-xylene

C) Para-methyl toluene

D) Meta-methyl toluene

15 / 100

Category: Chemistry

The shielding effect of inner electrons is responsible for:

NUMS Mock 3
Chemistry
Atomic Structure

A) Decreasing ionization energy

B) Having no effect on ionization energy

C) Increasing ionization energy

D) Increasing electronegativity

16 / 100

Category: Chemistry Ch 6 Class 11

Electrical conductivity depends upon _______.

NTS 2016 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

A) Temperature

B) Degree of dilution

C) Nature of electrolyte

D) Speed of ions

17 / 100

Category: Chemistry Ch 8 Class 12

H2 and Cl2 do not react in the dark, but in the presence of light a vigorous reaction is initiated due to the formation of:

NUMS 2016
Chemistry
Hydrocarbons
Elimination Tool:

A) Hydrogen free radical

B) Chlorine free radical

C) Hydrogen chloride molecule

D) Both hydrogen and chlorine free radicals

18 / 100

Category: Chemistry Ch 10 Class 12

Reaction by Grignard reagent are mostly

Exothermic

Endothermic

Room temperature

Is highly reactive by both endothermic and exothermic

19 / 100

Category: Chemistry Ch 7 Class 12

Diethyl ether and n-butanol are:

NUMS 2019 Reconduct
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Position isomers

B) Functional group isomers

C) Chain isomers

D) Tautomers

20 / 100

Category: Chemistry Ch 13 Class 12

By treating CO2 with Grignard’s reagent, the following compound is obtained;

NUMS 2019 Cancelled
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Aromatic compounds

B) Alcohols

C) Carboxylic acid

D) Ethers

21 / 100

Category: Chemistry Ch 14 Class 12

Industrially water gas is converted into methanol by using catalyst:

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) CuO + ZnO

B) CuO + Cr2O3

C) Al2O3+ ZnO

D) ZnO + Cr2O3

22 / 100

Category: Chemistry

Q.75 Metallic character depends on.

A. Electron affinity

B. Ionization energy

C. Electronegativity

D. All of these

23 / 100

Category: Chemistry Ch 10 Class 12

Tertiary alkyl hallides follow which of the following mechanism when attacked by a Nucleophile?

SN1

SN2

Both

None

24 / 100

Category: Chemistry Ch 10 Class 12

Which gases are produced when alcohol reacts with thionyl chloride?

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Sulphuric acid and carbon dioxide

B) Sulphur dioxide and hydrogen chloride

C) Sulphur chloride and hydrogen dioxide

D) Sulphuric acid and hydrogen chloride

25 / 100

Category: Chemistry

Q.18 The increase in size of an anion is due to increase n repulsion of

A. electron-proton

B. electron-electron

C. electron-nucleus

D. proton-nucleus

26 / 100

Category: Chemistry Ch 14 Class 12

Teflon contains which of the following halide?

Chlorine

Bromine

Fluorine

All of these

27 / 100

Category: Chemistry Ch 3 Class 12

Burning of amorphous Boron in air forms

B(OH)3

B203

BN

Mixture of B203& BN

28 / 100

Category: Chemistry Ch 12 Class 12

In Cannizzaro’s reaction out of two moles, one makes salt of an acid the other makes

Ester

Alcohol

Carboxylic Acid

Alkane

29 / 100

Category: Chemistry Ch 9 Class 11

Percentage of weight of NaCI if 2g NaCI is dissolved in 18g water

10

20

30

40

30 / 100

Category: Chemistry Ch 10 Class 11

If we balanced the following reaction , what is the net ionic charge on the right side of the equation?
__H+ +___ MnO4- + ____ Fe2+ →___ Mn2+ + ___ Fe3+ + ___ H2O

NTS 2014
Chemistry
Electrochemistry
Elimination Tool:

A) +5

B) +7

C) +10

D) +17

31 / 100

Category: Chemistry Ch 10 Class 12

In the reaction of m- chlorotoluene with KNH2 in liquid NH3, the major product is:

NUMS 2016
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) O – toluidine

B) M – toluidine

C) P – toluidine

D) P – chloroanzr

32 / 100

Category: Chemistry Ch 10 Class 12

Which catalyst is used in the preparation of alkyl halide from alcohols?

PMC Sample 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Zinc chloride

B) Pyridine

C) Sodium chloride

D) Thionyl chloride

33 / 100

Category: Chemistry Ch 2 Class 12

Magnesium reacts with nitrogen to form:

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) Mg2N2

B) Mg3N2

C) MgN2

D) MgN

34 / 100

Category: Chemistry Ch 5 Class 12

From the following which is used as bleaching agent

Flourine

Chlorine

Bromine

Iodine

35 / 100

Category: Chemistry

Q.77 H banding is not present in which of the following_____________?

A.DNA

B. proteins

C. Carbohydrates

D. Lipids

36 / 100

Category: Chemistry

Q.156 Which of the following centers are present in the carbonyl compounds?

A. Electrophilic

B. Nucleophilic

C. Electron deficient

D. All of these

37 / 100

Category: Chemistry Ch 2 Class 12

Which of the following is a major mineral of Lithium?

Spodumene

Rock salt c

Carnallite

Alunite

38 / 100

Category: Chemistry Ch 10 Class 12

Histidine acts as _____ in nature?

NUMS 2019 Cancelled
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Acidic

B) Neutral

C) Basic

D) Acidic and Basic

39 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy change of the reaction

H2(g) + ½ O2 -> H2O (l)

under standard conditions is:

NUMS 2017
Chemistry
Thermochemistry
Elimination Tool:

A) Enthalpy change of formation of water

B) Enthalpy change of neutralization

C) Both; Enthalpy change of combustion of Hydrogen and enthalpy change of formation of water

D) Enthalpy change of combustion of Hydrogen

40 / 100

Category: Chemistry Ch 9 Class 11

Which one is the correct formula for molar mass of solute In case of boiling point elevation? x

M2= 1000 Kb W2M1/ Tb W1

) M2= 1000 Kb W2/ Tb

M2 = Kb W1 Tb/1000

M2 =1000 Tb W21 Kb

41 / 100

Category: Chemistry Ch 1 Class 11

Actual yield is always less than theoretical yield due to

PMC Practice 27
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Operational losses

B) Reaction reversibility

C) Side reaction

D) All of these

42 / 100

Category: Chemistry Ch 4 Class 11

Which of the following solids is isotropic?

PMC Practice 6
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Ionic solids

B) Molecular solids

C) Amorphous solids

D) Metallic solids

43 / 100

Category: Chemistry Ch 4 Class 11

The nature of Binding Force in Ionic Crystals is

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Magnetic

B) Repulsive

C) Electrostatic

D) Weak

44 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy change accompanying the gain of an electron by a neutral gaseous atom to form a negative ion is called:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

A) Ionization potential

B) Electronegativity

C) Electron affinity

D) Lattice energy

45 / 100

Category: Chemistry Ch 1 Class 11

One mole of Oxygen has number of atoms as compared to one mole of Nitrogen

equal

Half

Double

Quarter

46 / 100

Category: Chemistry Ch 8 Class 12

Physical properties of Ethyne is/are:

PreMedPK MDCAT Mock 3
Chemistry
Hydrocarbons
Elimination Tool:

A) It is colourless gas with a sweet smell.

B) It is sparingly soluble in water.

C) It is less dense than air.

D) It explodes on compression to a liquid because of unstable nature.

E) All of the above

47 / 100

Category: Chemistry Ch 12 Class 12

A student mixed ethyl alcohol with a small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Acetone

B) Acetic acid

C) Dimethyl ether

D) Acetaldehyde

48 / 100

Category: Chemistry

Q.14 Kinetic Energy is the sum of

A. Rotational & Vibrational

B. Translation & Rotational

C. Rotational, Vibrational and Translation

D. All of these

49 / 100

Category: Chemistry Ch 2 Class 12

Which of the following do not occur in Free State?

Li

Mg

Both

None of these

50 / 100

Category: Chemistry Ch 10 Class 12

Vithich of the following Alkyl Halide is least reactive?

RI

RCl

RBr

RF

51 / 100

Category: Chemistry

Q.27 The temperature at which one crystalline form changes to other is called _____________temperature

A. critical

B. absolute

C. transition

D. none of these

52 / 100

Category: Chemistry Ch 9 Class 12

The reaction of benzene with bromine gives?

Allkyl bromide

Hydrogen bromide

Bromo-phenol

Bromo cyclohexane

53 / 100

Category: Chemistry Ch 2 Class 12

Caster kellners cell evaporated has replaced __________ because the Caster Kellner process evaporates__________?

NTS 2015 SMBBMC
Chemistry
s and p Block Elements
Elimination Tool:

A) Gibbs diaphragm… mercury

B) Iron box… aluminium

C) Pyrites burners… oleum

D) Nelson's cell…. Chlorine

54 / 100

Category: Chemistry Ch 10 Class 12

Order of reactivity of halogens towards alkanes is:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) F2> I2> Br2> Cl2

B) F2> Br2> Cl2> I2

C) F2> Cl2> Br2> I2

D) F2> Cl2> I2> Br2

55 / 100

Category: Chemistry

Q.135 If pressure and volume of a gas are Variable while temperature remains constant, this belongs to

A. Charles's law

B. Boyle's law

C. Avogadro's law

D. Pascal's law

56 / 100

Category: Chemistry Ch 11 Class 11

H2SO4 has great affinity for water because:

NTS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) It decomposes the acid

B) It hydrolyses the acid

C) Acid decomposes the water

D) Acid forms hydrates with water

57 / 100

Category: Chemistry Ch 8 Class 12

Which metal is used to form alkanes from alkyl halides?

Zn

N

Both a and b

None of these

58 / 100

Category: Chemistry Ch 1 Class 11

Chemical properties of an atom depends upon number of

Electron

Neutrons

Protons

Nucleons

59 / 100

Category: Chemistry Ch 8 Class 12

20 cm3 of a gaseous hydrocarbon was completely burnt in an excess of oxygen 60 cm3 of carbon dioxide and 40 cm3 of water vapours were formed, all volumes being measured at the same temperature and pressure. What is the formula of the hydrocarbon?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) C2H6

B) C3H4

C) C3H6

D) C3H8

60 / 100

Category: Chemistry

Which derivative of benzene shows maximum reactivity in electrophilic substitution reactions?

NUMS Mock 1
Chemistry
Hydrocarbons

A) Benzoic acid

B) Methyl benzene

C) Benzaldehyde

D) Nitrobenzene

61 / 100

Category: Chemistry Ch 4 Class 11

Vapor pressure is measured by calculating the difference in liquid pressure and?

PMC Practice 2
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Mercury pressure

B) Glass pressure

C) Atmospheric pressure

D) Container pressure

62 / 100

Category: Chemistry Ch 10 Class 11

which one of the following Is the oxidation number of Iodine in I2?

0

1

2

None

63 / 100

Category: Chemistry Ch 13 Class 12

In IUPAC nomenclature, Carboxylic acids are named as_______?

PMC Sample 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Alkoxy acid

B) Alkanoic acid

C) Alkyl carboxylic acid

D) Alkoxylate acid

64 / 100

Category: Chemistry Ch 10 Class 11

Definition of electrode potential is?

Tendency of metals to form ions when dissolved in 1M solution of its own solution

Tendency of ions to form atoms when dissolved in 1M solution of its metal

Both a and b

None of these

65 / 100

Category: Chemistry Ch 14 Class 12

Polymers are made up of:

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) Monomers

B) Epimers

C) Enantiomers

D) Isomers

66 / 100

Category: Chemistry Ch 8 Class 11

1 mole of N2O4 (g) was placed in an empty 1 dm^3 container and allowed to reach equilibrium according to the following equation:

N2O4(g) 2NO2(g)

At equilibrium, x mole Of N2O4 (g) had dissociated. What is the value of the equilibrium constant, Kc, at the temperature of the Experiment?

NTS 2016 SMBBMC
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2x / ( 1 – x)

B) 4×2 / (1 – x)2

C) 2x / (1 – x )2

D) 4×2 / (1 – x)

67 / 100

Category: Chemistry Ch 11 Class 11

The unit of the rate constant is the same as that of the rate of reaction in:

PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:

A) Zero order reaction

B) First order reaction

C) Second order reaction

D) Third order reaction

68 / 100

Category: Chemistry Ch 12 Class 12

– ROR is the nucleophile of

NTS 2011
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Alcohols

B) Esters

C) Cyanides

D) Ethers

69 / 100

Category: Chemistry Ch 12 Class 12

In which of the following reagent Cupric citrate complex is formed?

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Fehling's solution test

B) Benedict's solution test

C) Silver mirror test

D) sodium nitroprusside test

70 / 100

Category: Chemistry Ch 1 Class 11

X-ray work in 20th century shows that diameter of the atoms are of the order?

Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 1nm.

B) 2nm.

C) 3nm.

D) 4nm.

71 / 100

Category: Chemistry

The amount (in liters) of Oxygen at STP that is required for the combustion of 4gm of ethylene is :

NUMS Mock 2
Chemistry
Stoichiometry

A) 96 liters

B) 9.6 liters

C) 44.8 liters

D) 7.2 liters

72 / 100

Category: Chemistry Ch 7 Class 12

Which class of compounds cannot show positional isomerism?

PMC Sample 1
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) alkane

B) alkene

C) alkyne

D) alcohol

73 / 100

Category: Chemistry Ch 9 Class 12

How many chain isomers of Pentane is possible?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Two

B) Four

C) Three

D) Five

74 / 100

Category: Chemistry

Q.101 The maximum charge to mass ratio for those canal rays when ______ gas is used in discharge tube

A. He

B. H2

C. O2

D. N2

75 / 100

Category: Chemistry Ch 7 Class 11

Heat of vaporization of water is kcal/kg

574

674

474

364

76 / 100

Category: Chemistry Ch 13 Class 12

To get the carboxylic acid containing C atoms less than C atoms in parent aldehyde we do hydrolysis of:

Cyanohydrins

Amino Acids

Esters

Amides

77 / 100

Category: Chemistry Ch 12 Class 12

Hybridization of carbon in -CHO group is:

NUMS 2019 Reconduct
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) sp

B) sp2

C) sp3

D) dsp

78 / 100

Category: Chemistry

Which of the following is the correct order of increasing boiling point?

NUMS Mock 1
Chemistry
Alcohol, Phenols, and Ethers

A) Methanol > Ethanol

B) Methanol < Ethanol

C) Methanol = Ethanol

D) None of these

79 / 100

Category: Chemistry Ch 14 Class 12

How many types of polymerization reactions are there?

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) 4

B) 2

C) 6

D) 3

80 / 100

Category: Chemistry

Q.97 Due to less polarizability of Fluorine, it boils at ___________C

A..-188.1

B.188.1

C.184.4

D.184.4

81 / 100

Category: Chemistry Ch 7 Class 12

CH3CH2CH2COCH3 is the functional isomer of:

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) CH3CH2CH2CH2CHO

B) CH3CH2CH2CH2OH

C) CH3CH2COCH2CH3

D) CH3 – (CH)2 COCH2CH3

82 / 100

Category: Chemistry

Q.95 Wholar first time prepare urea in laboratory in ?

A. 1900

B. 1829

C. 1850

D. 1828

83 / 100

Category: Chemistry Ch 11 Class 11

The colour of methyl orange in base is?

NTS 2015 SMBBMC
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) Red

B) yellow

C) orange

D) pink

84 / 100

Category: Chemistry Ch 10 Class 12

Alkyl halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow the mechanism:

PMC 2020
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) SN1

B) SN2

C) E1

D) E2

85 / 100

Category: Chemistry Ch 7 Class 11

For a chemical reaction A -> B, the threshold energy of the reaction is 37 kJ/mole. The average internal energy of A is 12 kJ/Mole. What will be the activation energy of A?

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

A) 43 K.J/Mole

B) 37 K.J/Mole

C) 25 KJ/Mole

D) 19 K.J/Mole

86 / 100

Category: Chemistry Ch 6 Class 11

Bond energy between nitrogen atoms in N2 molecule is:

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

B) 820 kJ mol-1

C) 498 kJ mol-1

D) 347 kJ mol-1

E) 946 kJ mol-1

87 / 100

Category: Chemistry Ch 5 Class 11

d subshell has

3 orbitals

5 orbitals

7 orbitals

12 orbitals

88 / 100

Category: Chemistry Ch 10 Class 12

Which of the following has the strongest bond?

NUMS 2019 Cancelled
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) CH3 – F

B) CH3 – I

C) CH3 – Cl

D) CH3 – Br

89 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is used as coagulation for latex in rubber industry

Acetic acid

Amino acid

Ethyl alcohol

Rayon

90 / 100

Category: Chemistry

Q.97 Which of the following liquid has boiling point greater than that of water at standard pressure

A. Acetic acid

B. Acetone

C. Ethanol

D. Benzene

91 / 100

Category: Chemistry

Q.91 The half-ire of Uranium i

A. 700 Millon years

B.706 Million years

C 89 days

D. 710 million year

92 / 100

Category: Chemistry

Q.94 Which of the foloving is a strong acia?

A. Ethane

B. Ethyl Chloride

C. Ethanol

D. Pheno

93 / 100

Category: Chemistry

The conversion of phenol to benzene in the presence of zinc involves:

NUMS Mock 3
Chemistry
Alcohol, Phenols, and Ethers

A) Oxidation

B) Reduction

C) Dehydroxylation

D) Dehydrogenation

94 / 100

Category: Chemistry Ch 7 Class 11

One Calorie is equivalent to:

NTS 2019
Chemistry
Thermochemistry
Elimination Tool:

A) 0.4184J

B) 41.84 J

C) 4.184 J

D) 418.4 J

95 / 100

Category: Chemistry

Q.163 Which will need maximum energy to remove its one electron?

A. Na————– Na- +e

B. Ca——————-Ca– +e

C.K————K++ +e

D. C2+————– C3+ +e

96 / 100

Category: Chemistry Ch 9 Class 12

Alkenes are:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Electrophiles

B) Nucleophiles

C) Both Options are correct

D) None of these options is correct

97 / 100

Category: Chemistry Ch 10 Class 11

The oxidation state of “S’ in the (S2O3)-2 is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

A) +4

B) +6

C) -2

D) +2

98 / 100

Category: Chemistry

Q.125 Standard electrode Potential is denoted by

A. E

B. E-1

C. E0

D.d

99 / 100

Category: Chemistry Ch 11 Class 12

The method which is used on an industrial scale for production of alcohol from alkene is:

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Hydrohalogenation of alkenes

B) Dehydration of alkenes

C) Hydration of alkenes

D) Hydroxylation of alkenes

100 / 100

Category: Chemistry Ch 4 Class 11

Which of the following is the correct equation to calculate relative molecular mass of a gas.

UHS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) M = mPR / VT

B) M = PV / mRT

C) M = mPRT / V

D) M = mRT / PV

Your score is

The average score is 56%

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