Chemistry Practice Tests 1

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Chemistry Practice Test 1

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1 / 100

Category: Chemistry Ch 8 Class 11

By which of the following factors, equilibrium state is attained earlier?

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Temperature

B) Pressure

C) Concentration

D) Catalyst

2 / 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

3 / 100

Category: Chemistry Ch 10 Class 12

Alkyl Halides that go through SN1 reactions are

Primary

Secondary

Tertiary

All of these

4 / 100

Category: Chemistry

Thermochemistry is very important to learn about _______.

NUMS Mock 3
Chemistry
Thermochemistry

A) Chemical Equilibrium

B) Chemical Bonding

C) Heat contents of a compound

D) AlI of these options are correct

5 / 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

6 / 100

Category: Chemistry Ch 11 Class 11

Which of the following statements best describes how a catalyst works

NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

A) A catalyst changes the potential energies of the reactants and products

B) A catalyst decreases the temperature of the reaction which leads to a faster rate

C) A catalyst lowers the activation energy barrier for the reaction by providing a different reaction mechanism.

D) A catalyst raises the activation energy for the reaction which produces a faster rate

7 / 100

Category: Chemistry Ch 11 Class 12

The alkenes can be formed by alcohols in the presence of

PMC Sample 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) acidified KMnO4

B) acidified K2Cr2O7

C) acidified Cucl2

D) pyridine

8 / 100

Category: Chemistry Ch 3 Class 12

Impurities of lead in silver are removed by:

NUMS 2016
Chemistry
d and f Block Elements
Elimination Tool:

A) Parke’s process

B) Solvay process

C) Cyanide process

D) Amalgamation process

9 / 100

Category: Chemistry Ch 2 Class 11

Atomic number of C is 6 and H is 1. How many electrons are present In 1.6 grams of methane?

NTS 2015 DUHS and JSMU
Chemistry
Stoichiometry
Elimination Tool:

A) 6.02 x 1023

B) 1.204 x 1023

C) 1.806 x 1023

D) 2.408 x 1023

10 / 100

Category: Chemistry Ch 5 Class 11

J.J Thomson determined the:

NTS 2016 DUHS & JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) Charge of an electron

B) Mass of an electron

C) e/m value of an electron

D) Charge of a proton

11 / 100

Category: Chemistry Ch 1 Class 11

In mass spectrometry, ionization occurs in form.

Solid

Liquid

Vapor

No ionization occurs during the process.

12 / 100

Category: Chemistry

The reaction between borohydride

Nucleophilic substitution

Electrophilic substitution

Electrophilic addition

d) Both a and c

13 / 100

Category: Chemistry Ch 10 Class 11

The oxidation state of carbon in C2O42- is:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

A) +4

B) -4

C) +3

D) +2

14 / 100

Category: Chemistry Ch 13 Class 12

Solubility of carboxylic acids in water decrease with

Decrease in molecular mass

Increase in molecular mass

Both a and b

None of these

15 / 100

Category: Chemistry Ch 4 Class 11

A liquid crystalline state exists between two temperatures i.e melting temperature and ____ temperature.

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

A) boiling

B) freezing

C) clearing

D) all of these

16 / 100

Category: Chemistry Ch 8 Class 12

Which among the following gives ppt. with terminal alkynyl hydrogen?

PreMedPK MDCAT Mock 4
Hydrocarbons
Elimination Tool:

A) Ammonical silver nitrate

B) Ammoniacal cuprous chloride

C) Both a and b

D) None of these

17 / 100

Category: Chemistry Ch 8 Class 11

For a gaseous phase reaction, when number of moles of reactants and products are equal:

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) The values of Kp and Kc are different

B) The value of Kp is greater than Kc

C) The value of Kc is greater than Kp

D) The values of Kp and Kc are the same

18 / 100

Category: Chemistry Ch 14 Class 12

Bakelite is a polymer of formaldehyde and __________.

NUMS 2018
Chemistry
Macromolecules
Elimination Tool:

A) Phenol

B) Ethanol

C) Butanol

D) Methanol

19 / 100

Category: Chemistry

Transition Elements usually show:

NUMS Mock 2
Chemistry
d and f Block Elements

A) Para magnetism

B) Diamagnetism

C) Ferromagnetism

D) Both Ferromagnetism and Paramagnetism

20 / 100

Category: Chemistry Ch 2 Class 11

A residue is obtained In which of the following methods?

Crystallization

Filtration

Condensation

Decantation

21 / 100

Category: Chemistry Ch 15 Class 12

Ammonium nitrate contain nitrogen

82

46

20

35

22 / 100

Category: Chemistry

IUPAC name of C6H5-CH2-CH2-NH2 is:

NUMS Mock 4
Chemistry
Fundamental Principles of Organic Chemistry

A) 2-phenyl ethenamine

B) 2-phenyl ethanamine

C) 2-phenyl ethylamine

D) 3-phenyl ethanamine

23 / 100

Category: Chemistry Ch 4 Class 11

Effusion of gases take place through a hole with:

NTS 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Hole dimensions

B) Infinite dimensions

C) Slit like dimensions

D) Molecular dimensions:

24 / 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

25 / 100

Category: Chemistry Ch 11 Class 12

Phenol is derived from?

Benzene

Carboxylic acid

Alcohols

Aliphatic compounds

26 / 100

Category: Chemistry Ch 9 Class 12

Which catalyst is used to oxidize benzene rings?

NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:

A) FeBr3

B) V2O5

C) Fe + Al2O3

D) Raney Ni

27 / 100

Category: Chemistry Ch 6 Class 11

H2S is an example of ______ hydride.

NTS 2012
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic

B) Covalent

C) Complex

D) Metallic

28 / 100

Category: Chemistry Ch 4 Class 12

Paramagnetic elements contain:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) All paired electrons

B) All unpaired electrons

C) Few unpaired electrons.

D) Unequal electrons and protons

29 / 100

Category: Chemistry Ch 2 Class 12

Magnesiums keep on burning in:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) CO2

B) Magnesium and Copper

C) N2O

D) N2 as well as CO2

30 / 100

Category: Chemistry

The correct increasing order of electron affinity value of atoms is:

NUMS Mock 3
Chemistry
Chemical Bonding

A) I<Br< F<Cl

B) I<Cl<F<Br

C) I<F<Br<Cl

D) F<Cl<Br<I

31 / 100

Category: Chemistry

All of the following substances can act as Lewis acids except:

NUMS Mock 3
Chemistry
Acids, Bases and Salts

A) BF3

B) H+

C) AlCl3

D) H2O

32 / 100

Category: Chemistry Ch 4 Class 11

Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 C to 100 C?

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

A) Pressure will become one half

B) Volume will be increased

C) Temperature has no effect on freely moving molecules

D) Colliding capability of molecule will become lower

33 / 100

Category: Chemistry Ch 11 Class 11

Sum of all the exponents of the molar concentration of the reactant present in the rate equation is known as:

NTS 2012
Chemistry
Reaction Kinetics
Elimination Tool:

A) Molecularity

B) Order of reaction

C) Rate of reaction

D) gradient

34 / 100

Category: Chemistry

Q86 : Which of the following is most ionic in nature

A. Sodium chloride

B. Sodium fluoride

C. Sodium bromide

D. Sodium iodide

35 / 100

Category: Chemistry Ch 3 Class 12

The total number of transition elements is:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

A) 58

B) 48

C) 30

D) 25

36 / 100

Category: Chemistry Ch 10 Class 12

Vithich of the following Alkyl Halide is least reactive?

RI

RCl

RBr

RF

37 / 100

Category: Chemistry Ch 2 Class 12

Oxygen does not react with:

NTS 2015 DUHS and JSMU
Chemistry
s and p Block Elements
Elimination Tool:

A) P

B) Na

C) S

D) Cl

38 / 100

Category: Chemistry Ch 8 Class 11

For, the reaction:

N2 + 3H2 ⇌ 2NH3

The production of NH3 will be favored at:

NTS 2010
Chemistry
Chemical Equilibrium
Elimination Tool:

A) High pressure and catalyst

B) Low pressure only

C) Low pressure and catalyst

D) High pressure only

39 / 100

Category: Chemistry Ch 9 Class 12

Acetylene on reacting with ammonium silver nitrate gives.

NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:

A) Silver metal

B) Silver mirror

C) Silver acetylide

D) Silver acetate

40 / 100

Category: Chemistry Ch 10 Class 12

Reaction of CH3CH2MgBr with ethylene epoxide gives:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Ethanal

B) 1 – butanol

C) 2 – butanol

D) Butane

41 / 100

Category: Chemistry Ch 1 Class 11

How many moles of S02 contain 16 grams of oxygen?

0.5

1

2

2.4

42 / 100

Category: Chemistry Ch 4 Class 12

The formula of Chile Peter salt is

NaCI

NaNO3

NaOH

NaNO4

43 / 100

Category: Chemistry Ch 12 Class 12

H —CHO is:

Formaldehyde

Acetaldehyde

Ketone

Ester

44 / 100

Category: Chemistry

Q.160 Polymerization of ethene produces which of the followving polymer?

A. Polyvinyl

B. Polethyl

C. Polyethylene

D. Polyethoxy

45 / 100

Category: Chemistry Ch 6 Class 11

Which of the following has maximum Ionization energy?

He

Ne

Ar

Kr

46 / 100

Category: Chemistry

Who discovered positive rays (also called protons) and when?

NUMS Mock 4
Atomic Structure

A) Chadwick,1895

B) Goldstein,1886

C) Rutherford,1885

D) J.Perrin,1885

47 / 100

Category: Chemistry Ch 14 Class 12

All are dehydrating agents for alcohols to produce alkene except:

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

A) Al2O3

B) P2O5

C) Dilute H2SO4

D) H3PO4

48 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is not a physical property of ethers?

NUMS 2019 Cancelled
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) They are usually volatile liquids

B) Show weak hydrogen bonding

C) They are highly flammable with low boiling points

D) It is poisonous and is used as a disinfectant in hospitals

49 / 100

Category: Chemistry Ch 9 Class 11

The number of moles of solute dissolved per liter of solution is called:

NTS 2012
Chemistry
Solution and Colloids
Elimination Tool:

A) Normality

B) Molality

C) Mole fraction

D) Molarity

50 / 100

Category: Chemistry Ch 8 Class 12

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

PreMedPK MDCAT Mock 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Structural isomerism

B) Functional isomerism

C) Chain isomerism

D) Metamerism

51 / 100

Category: Chemistry Ch 9 Class 11

What is the molality of 92 g toluene In 250 g benzene?

4 mol/kg

1 mol/kg

6mol/kg

3 mol/kg

52 / 100

Category: Chemistry Ch 2 Class 11

Which of the following is the chemical formula of a compound indicating the relative number of atoms in the simplest ratio?

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

A) Empirical formula

B) Empirical formula mass

C) Molecular formula

D) Molecular mass

53 / 100

Category: Chemistry Ch 3 Class 12

Boric acid is used in

Washing wounds

Eye-wash

Detergents

Washing powder

54 / 100

Category: Chemistry Ch 6 Class 11

In period, moving from left to right

Electro negativity decreases

ElectronegativIty Increases

Electro negativity remains same

None of these

55 / 100

Category: Chemistry Ch 8 Class 11

The value K for H2(g) + CO2(g) H2O(g) + CO(g) is 1.80 at 1000 C. If 1.0 mole of each H2 and CO2 are placed in 1 litre flask, the final equilibrium concentration of CO at 1000 C will be:

NTS 2017
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 0.295 M

B) 0.385 M

C) 0.531 M

D) 0.473 M

56 / 100

Category: Chemistry Ch 15 Class 12

When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:

UHS 2011
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polypeptide

B) Addition polymer

C) Ester

D) Nylon 6,6

57 / 100

Category: Chemistry Ch 15 Class 12

Aluminium nitrate is not used for ai

Corn

Cotton

Rice

Wheat

58 / 100

Category: Chemistry Ch 6 Class 11

which type of hybridization doesn’t exist?

Sp4

Sp3

Sp2

Sp

59 / 100

Category: Chemistry Ch 12 Class 12

Ketone can be prepared by the oxidation of:

Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

60 / 100

Category: Chemistry Ch 9 Class 12

What are the products of destructive distillation of coal?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Coal tar

B) Coke

C) Coal gas

D) All of above

61 / 100

Category: Chemistry Ch 1 Class 12

Number of elements in 6th period is:

34

18

32

16

62 / 100

Category: Chemistry Ch 15 Class 12

Enzymes that are functioning within the cell are called:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) Endoenzymes

B) Exoenzymes

C) Holoenzymes

D) Both A & C

63 / 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

64 / 100

Category: Chemistry Ch 10 Class 11

The hydrogen gas bubbling into one molar solution of HCl has a pressure of

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) 2atm

B) 780 mmHg

C) 19 Psi

D) 1 atm

65 / 100

Category: Chemistry Ch 12 Class 12

Which of the following reactions is NOT shown by ketones?

NTS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Reaction with HCN

B) Reaction with Fehling solution

C) Reaction with NaHSO3

D) Reaction with 2,4-dinitrophenyl-hydrazine

66 / 100

Category: Chemistry Ch 15 Class 12

What is formed by a series of complex reactions of ozone with water in the troposphere that are driven by sunlight?

NUMS 2019 Cancelled
Chemistry
Environmental Chemistry
Elimination Tool:

A) O radical

B) H radical

C) OH radical

D) H3O radical

67 / 100

Category: Chemistry Ch 2 Class 11

The rate of filtration can be considerably increased by using

Fluted filter paper

Suction flask

Stirrer

None of these

68 / 100

Category: Chemistry Ch 16 Class 12

NO2 in atmosphere absorbs moisture to form?

HNO3

HNO2

NO

Both a and b

69 / 100

Category: Chemistry Ch 7 Class 11

Anything under test or observation in laboratory is called

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

A) Surrounding

B) System

C) Confined space

D) None of these

70 / 100

Category: Chemistry

Q.73 The unit used to express the relative atomic mass is called

A. Gram unit

B. Avogadro's number

C. Atomic mass

D. Atomic mass unit

71 / 100

Category: Chemistry Ch 13 Class 12

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

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

A) Beta-hydroxy carboxylic acids

B) Acids, having one carbon more than the starting material

C) Acids having one carbon less than the starting material

D) Alpha-hydroxy acids

72 / 100

Category: Chemistry Ch 1 Class 12

By increasing which of the following factor polarizability increases?

PMC Practice 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Atomic radius

B) Ionization energy

C) Ionic radius

D) Hydration energy

73 / 100

Category: Chemistry Ch 1 Class 12

The products of decomposition of Mg(NO3)2are:

NUMS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

A) MgO and NO2

B) Mg and NO2

C) MgO, NO2and O2

D) Mg(NO3)2

74 / 100

Category: Chemistry Ch 10 Class 11

Standard reduction potential of F2, Br2 is:

+2.87, +1.08

+0.332, +2.87

-0.78, -1.66

None of the:

75 / 100

Category: Chemistry Ch 12 Class 12

IUPAC name of propionaldehyde is:

Methanal

Acetaldehyde

Propanal

Butanal

76 / 100

Category: Chemistry Ch 7 Class 11

If pressure and volume of a gas are variable while temperature remains constant, this belongs to

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

A) Charles's law

B) Boyle's law

C) Avogadro's law

D) Pascal's law

77 / 100

Category: Chemistry

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

A. 1900

B. 1829

C. 1850

D. 1828

78 / 100

Category: Chemistry Ch 3 Class 11

Which of the following pairs of gases have same rate of diffusion:

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) CO2 and N2O

B) CO2 and CO

C) NO2 and CO2

D) CO2 and N2O4

79 / 100

Category: Chemistry Ch 11 Class 11

Methyl orange is _______ in acidic solutions.

NTS 2018
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) Yellow

B) Pink

C) Orange

D) Red

80 / 100

Category: Chemistry Ch 11 Class 12

In Lucas test, tertiary alcohols form oily layer of alkyl halid ___ ?

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

A) On heating

B) Immediately

C) After 5-10 minutes

D) After 20 minutes

81 / 100

Category: Chemistry

Solid CO2 dry ice has a structure just like:

NUMS Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids

A) Diamond

B) Sulphur

C) Graphite

D) None of the above options are correct

82 / 100

Category: Chemistry Ch 12 Class 12

The flavour of amyl butyrate is:

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Mango

B) Raspberry

C) Apricot

D) Orange

83 / 100

Category: Chemistry Ch 1 Class 11

Mass spectrometer can be used to find:

Mass of atom

Mass of ion

Charge to mass ratio of atom

Charge to mass ratio of ion

84 / 100

Category: Chemistry Ch 8 Class 12

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

PreMedPK MDCAT Mock 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Structural isomerism

B) Functional isomerism

C) Chain isomerism

D) Metamerism

85 / 100

Category: Chemistry Ch 5 Class 11

Bracket series of 14-atom is in which of the following regions of electromagnetic spectrum?

Far infrared

Near infrared

Infrared

Visible

86 / 100

Category: Chemistry Ch 2 Class 12

Which property of the Group II elements (magnesium to barium) and their compounds increases with an increasing proton (atomic) number?

NUMS 2016
Chemistry
s and p Block Elements
Elimination Tool:

A) The magnitude of the enthalpy change of hydration of the metal ion

B) The pH of the aqueous chloride

C) The solubility of the sulphate in water

D) The stability of the carbonate to heat

87 / 100

Category: Chemistry

Q.133 Metals look shiny as light falls on metal surface collide with mobile electrons and make them these electron gives light when

A. Neutral. Excited

B. Excited, de-excited

C. De-excited, excited

D. None of these

88 / 100

Category: Chemistry Ch 8 Class 12

Which one of the following molecules has the shortest distance of carbon atoms?

NTS 2013
Chemistry
Hydrocarbons
Elimination Tool:

A) CH3- CH3

B) CH2= CH2

C) CH≡ CH

D) CH3- CH2- CH3

89 / 100

Category: Chemistry

Q.2 an element or its compound is first _________to get its _______spectrum by spectrometer

A. freeze, continuous

B. A freezed. line

C. volatilized., line

D. volatilized. continuous

90 / 100

Category: Chemistry Ch 4 Class 12

H3PO3 is

Weak reducing agent

Strong reducing agent

Strong oxidizing agent

Weak oxidizing agent

91 / 100

Category: Chemistry

Precipitation occurs when the product of ionic concentrations is:

NUMS Mock 4
Chemistry
Chemical Equilibrium

A) Greater than Ksp

B) Less than Ksp

C) Equal to Ksp

D) Equal to unity

92 / 100

Category: Chemistry Ch 6 Class 11

Which of the following has a lone pair of electrons on the central atom?

PCI3

NH4

PCI

CH4

93 / 100

Category: Chemistry

Q.85 Along period of periodic table, shielding effect

A. Increases

B. Decreases

C. Remains constant

D. First increases then decrease

94 / 100

Category: Chemistry Ch 9 Class 11

If 18.0 g of glucose is dissolved in 1 kg of water, boiling point of this solution should be:

UHS 2013
Chemistry
Solution and Colloids
Elimination Tool:

A) 100.52 °C

B) 100.00 °C

C) 100.052 °C

D) Less than 100 °C

95 / 100

Category: Chemistry Ch 5 Class 11

When B- particles are sent through a thin metal foil, most of them go straight through the foil as:

NTS 2017
Chemistry
Atomic Structure
Elimination Tool:

A) B- particles are much heavier than electrons

B) B- particles are positively charged

C) Most part of the atom is empty space

D) B- particles move with high velocity

96 / 100

Category: Chemistry Ch 4 Class 12

F-block elements are called?

PMC Practice 1
Chemistry
d and f Block Elements
Elimination Tool:

A) Inner transition

B) Outer transition

C) Both

D) None

97 / 100

Category: Chemistry

Impurities of lead in silver are removed by:

NUMS Mock 2
Chemistry
d and f Block Elements

A) Parke’s process

B) Solvay process

C) Cyanide process

D) Amalgamation process

98 / 100

Category: Chemistry Ch 7 Class 12

IUPAC name of Divinyl acetylene is:

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

A) 1, 5 – Hexadiyne – 3 – ene

B) 1, 5 – Hexadiene 3 – yne

C) 3 – Hexene – 1,5 – diyne

D) 3 – Hexyne – 1 , 5 – diene

99 / 100

Category: Chemistry Ch 5 Class 11

The amount of energy associated with quantum of radiation is directly proportional to:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) Photon

B) Wavelength

C) Frequency

D) Velocity

100 / 100

Category: Chemistry Ch 5 Class 11

The correct order of orbitals is:

1s,2s,2p,3s, 3p, 4s, 3d, 4p, 5s

1s,2s,2p,3s, 3p, 3d, 31, 4s, 5d

1s,2s,2p,3s, 3p, 3d, 4p, 4s, 5s

1s,2s,2p,3s, 3p, 4s, 4p, 4d, 5s

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