Chemistry Practice Tests 2

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Chemistry Practice Test 2

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1 / 100

Category: Chemistry Ch 6 Class 11

The substance which conducts electricity by the movement of ions:

NUMS 2014
Chemistry
Chemical Bonding
Elimination Tool:

A) Graphite

B) Copper

C) Molten NaCl

D) Mercury

2 / 100

Category: Chemistry Ch 1 Class 12

Maximum ionization potential is of:

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

A) Ca

B) Na

C) Be

D) Mg

3 / 100

Category: Chemistry Ch 8 Class 11

Concentration of reactants and products are expressed as Moles per unit _______.

PMC Sample 1
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Area

B) length

C) Volume

D) None of these

4 / 100

Category: Chemistry Ch 9 Class 11

0.5 molar solution NaOH contains:

NUMS 2020
Chemistry
Solution and Colloids
Elimination Tool:

A) 40g NaOH in one dm3

B) 80g NaOH in one dm3

C) 10g NaOH in one dm3

D) 20g NaOH in one dm3

5 / 100

Category: Chemistry

Q.159 An aromatic compound that can obtained from coal tar is

A. Benzene

B. Toluene

C. Phenol

D. Diphenylmethane

6 / 100

Category: Chemistry Ch 14 Class 12

Graphite has a structural similarity with:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) B2H6

B) B4C

C) B

D) BN

7 / 100

Category: Chemistry

The correct order of decreasing solubility of AgCI In A) Water B) 0.1 M NaCi C) 0.1 BaCl2 D) 0.1M NI-43
is?

a)D>A>B>C

b)D>C>B>A

c)B>A>D>C

d)A>D>B>C

8 / 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

9 / 100

Category: Chemistry Ch 14 Class 12

Which of the following is not a disaccharide?

Sucrose

Lactose

Raffinose

Dextrin

10 / 100

Category: Chemistry Ch 1 Class 12

Which of the following catalysts is used in the decomposition of laughing gas N2O at 1000 K?

2N2O 2N2 + O2

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Glycine

B) V2O5

C) Fe

D) Traces of Cl2

11 / 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

12 / 100

Category: Chemistry Ch 3 Class 12

Variable valency is generally exhibited by:

NUMS 2014
Chemistry
d and f Block Elements
Elimination Tool:

A) Normal elements

B) Transition elements

C) Metallic elements

D) None of them

13 / 100

Category: Chemistry

The major source of unburnt hydrocarbons in the atmosphere is / are:

NUMS Mock 1
Chemistry
Hydrocarbons

A) Petroleum

B) Natural gas

C) Automobiles

D) Human beings

14 / 100

Category: Chemistry

Q.118 Most of the enzyme reactions are______________?

A. Reversible

B. Irreversible

C. Condensation

D. Oxidation

15 / 100

Category: Chemistry Ch 6 Class 11

Which of the following is paramagnetic

Nickle

Vanadium

Uranium

Oxygen

16 / 100

Category: Chemistry

Q.149 There are just only a few stable compounds, formed by noble gases like

A. XeF2

B. XeOF2

C. Xe3

D. All of these

17 / 100

Category: Chemistry

The following sketch shows the variation in a physical property of third period elements against their atomic numbers:

What physical property is plotted in this sketch?

NUMS Mock 2
Chemistry
Periodicity in Elements

A) Ionization energy

B) Melting point

C) Ionic radius

D) Atomic radius

18 / 100

Category: Chemistry Ch 7 Class 11

Energy for the endothermic reaction is given a ____ value?

PMC Practice 1
Chemistry
Thermochemistry
Elimination Tool:

A) Positive

B) Negative

C) Zero

D) Neither positive nor negative

19 / 100

Category: Chemistry Ch 7 Class 12

The active part in organic molecules is called:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Homologous series

B) Functional group

C) Chemical bonding

D) Ionic complex

20 / 100

Category: Chemistry Ch 15 Class 12

The macronutrients for healthy plant growth are required in per acre.

5g — 200 g

5kg — 200 kg

5g — 2000kg

None of these

21 / 100

Category: Chemistry Ch 8 Class 12

KOLBE’s method is used to prepare?

Ethane

Ethene

Ethyne

All of these

22 / 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

23 / 100

Category: Chemistry Ch 5 Class 11

The amount of energy released by absorbing an electron in the valence shell is:

NTS 2013
Chemistry
Atomic Structure
Elimination Tool:

A) Ionization Energy

B) Electron Affinity

C) Electronegativity

D) Atomic Radius

24 / 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

25 / 100

Category: Chemistry

Q.78 What Isthe nature of Carbon present in Aldehyde is?

A. Nucleophilic

B. Electrophilic

C. Neutral

D. All of these

26 / 100

Category: Chemistry Ch 1 Class 12

Arrange the following according to increasing ionization energy: Li, Be, Na, Mg

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

A) Li < Be < Na < Mg

B) Be < Li < Na < Mg

C) Mg < Na < Li < Br

D) Na < Li < Mg < Be

27 / 100

Category: Chemistry Ch 4 Class 11

What is the % relative humidity at 25 C and 0.01876 atm if the vapor pressure of water is 23.76 mm Hg.

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

A) 40 %

B) 50 %

C) 60 %

D) 70%

28 / 100

Category: Chemistry Ch 14 Class 12

……is a technique to separate impurities from chemical products:

NUMS 2014
Chemistry
Macromolecules
Elimination Tool:

A) Lands Berger's method

B) Fractional crystallization

C) Beckmann method

D) None

29 / 100

Category: Chemistry Ch 4 Class 12

Which of the following properties are associated with transition metals?

PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:

A) Color

B) Complex formation

C) Use as catalyst

D) All of these

30 / 100

Category: Chemistry Ch 4 Class 12

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) Polydentate ligands

B) Monodentate ligand

C) Bidentate ligands

D) Hexadentate ligands

31 / 100

Category: Chemistry Ch 14 Class 12

Teflon contains which of the following halide?

Chlorine

Bromine

Fluorine

All of these

32 / 100

Category: Chemistry

Q.112 Which of the following alkyl halides undergoes SN1 reaction fastest?

A. methyl chloride

B. Isobutyl chloride

C. Tertiary butyl chloride

D. Ethyl chloride

33 / 100

Category: Chemistry Ch 9 Class 12

Friedel craft’s reaction gives?

Benzene

Nitrobenzene

Toluene

Alkene

34 / 100

Category: Chemistry Ch 11 Class 12

Melting point of methyl alcohol is?

-97.6 'C

-37.6 'C

-64.7'C

-94.6'C

35 / 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

36 / 100

Category: Chemistry Ch 6 Class 11

Ionization potential

Increases down the group

Decreases down the group

Stay same

None

37 / 100

Category: Chemistry Ch 1 Class 12

Why transition metals have strong metallic bonding?

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Because of high melting point

B) Because d-electrons of outer shell take part in bonding

C) Because s-electrons of outer shell take part in bonding

D) Both s and d electrons takes part in bonding

38 / 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

39 / 100

Category: Chemistry

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Acetaldehyde

B) Propanaldehyde

C) Benzaldehyde

D) Trideuteroacetaldehyde

40 / 100

Category: Chemistry Ch 1 Class 11

It is the fact that 22.414 cm3 of any gas has a different masses but the same number of

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

A) Atoms

B) Particles

C) Molecules

D) None of these

41 / 100

Category: Chemistry Ch 13 Class 12

Amino acid is usually known by a

Common name

IUPAC name

Both a and b

None of these

42 / 100

Category: Chemistry Ch 6 Class 11

GN lewis described which one of the following bonds?

NTS 2015 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic bond

B) covalent bond

C) coordinate covalent bond

D) all of the above

43 / 100

Category: Chemistry

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Acetaldehyde

B) Propanaldehyde

C) Benzaldehyde

D) Trideuteroacetaldehyde

44 / 100

Category: Chemistry Ch 15 Class 12

Ammonium nitrate contain nitrogen

82

46

20

35

45 / 100

Category: Chemistry Ch 8 Class 11

A chemical engineer wants to use the Haber process in order to produce ammonia as raw material for fertilizers. Which of the following parameters must the chemical engineer AVOID in order to obtain the maximum yield of ammonia?
N2(g) + 3H2(g) -> 2NH3(g) ΔH0 = -92.6 kJ/mol

NUMS 2019 Cancelled
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Increase the temperature

B) Use a catalyst

C) Adding more nitrogen gas

D) Increase the pressure

46 / 100

Category: Chemistry Ch 12 Class 12

Ketones and aldehydes are reduced in the presence of catalyst:

Pd

Al203

R-Mg-X

SOCl2

47 / 100

Category: Chemistry Ch 1 Class 12

Covalent character of hydrides decrease ________?

PMC Practice 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Down the Group

B) Along period

C) Along d- block

D) All of these

48 / 100

Category: Chemistry Ch 3 Class 11

Which one is not related to evaporation?

NUMS 2015
Chemistry
Thermochemistry
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Continuous

B) Endothermic

C) Exothermic

D) Spontaneous

49 / 100

Category: Chemistry Ch 8 Class 11

The Haber Process is used to produce ammonia commercially according to the following equilibrium: N2(g) + 3H2g = 2NH3g + energy Which of the following conditions will produce the highest yield of ammonia?

Increase temperature and increase pressure

Increase temperature and decrease pressure

Decrease temperature and increase pressure

Decrease temperature and Decrease pressure

50 / 100

Category: Chemistry Ch 8 Class 12

Formula of propene is

C2H5

C3H6

C4H8

C6H6

51 / 100

Category: Chemistry Ch 11 Class 12

The alcohols in which the carbon which is attach to the OH group is further attach with two carbon atoms is called as?

PMC Sample 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Primary alcohols

B) Secondary alcohols

C) Tertiary alcohols

D) None of these

52 / 100

Category: Chemistry Ch 14 Class 12

Harmful and undesirable reaction of a metal when exposed to the atmosphere or any chemical agent is known as:

NTS 2010
Chemistry
Macromolecules
Elimination Tool:

A) Allotropy

B) Electroplating

C) Collision

E) Corrosion

53 / 100

Category: Chemistry Ch 12 Class 12

In which of the following reaction alkyl ketones are converted Into carboxylic acid with one carbon atom less than the parent compound?

Haloform

Cannizzaro

Aldol

None

54 / 100

Category: Chemistry Ch 14 Class 12

Which of the following enzyme is used for conversion of Starch into Sugar?

Zymase

Invertase

Amylase

Yeast

55 / 100

Category: Chemistry Ch 4 Class 11

A liquid has mass m and specific heat capacity c. The rate of change in temperature of the liquid is R. What is the rate at which heat is transferred from the liquid.

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

A) Rmc

B) R/me

C) me/R

D) Rm/c

56 / 100

Category: Chemistry Ch 8 Class 12

In which of the following cases are the benzene rings isolated?

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Naphthalene

B) Phenanthrene

C) Anthracene

D) Triphenylmethane

57 / 100

Category: Chemistry Ch 8 Class 12

Benzene in the presence of AlCl3 produces acetophenone when reacts with:

PreMedPK MDCAT Mock 4
Chemistry
Hydrocarbons
Elimination Tool:

A) Acetyl chloride

B) Acetic acid

C) Ethyl benzene

D) Ethanoic acid

58 / 100

Category: Chemistry Ch 4 Class 12

Which of these is not an isotope of Phosphorus?

Red Phosphoru

Black Phosphorus

White Phosphorus

Gray Phosphorus

59 / 100

Category: Chemistry

Nitric oxide has how many valence electrons?

NUMS Mock 1
Chemistry
Atomic Structure

A) 10

B) 13

C) 11

D) 12

60 / 100

Category: Chemistry Ch 4 Class 11

If electrons are loosely packed then:

The boiling point of solid Is high

The solid conducts electricity

They add to the solidity

The melting Point of solid is high

61 / 100

Category: Chemistry

Q.157 Shifting the position of equilibrium can be used to Increase

A. Temperature

B. Pressure

C. Yield of reaction

D. All of these

62 / 100

Category: Chemistry Ch 2 Class 12

Which one of the following is a common mineral of calcium? a

Feldspar

Limestone

Diamond

None of these

63 / 100

Category: Chemistry

Q.129 The biochemical process used in the synthesis of alcohol in the presence of yeast is called as____________________?.

A. Respiration

B. Photosynthesis

C. Fermentation

D. Aerobic respiration

64 / 100

Category: Chemistry Ch 10 Class 12

If any amino acids contain greater number of NH2, it is:

NUMS 2019 Cancelled
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Acidic

B) Neutral

C) Amphoteric

D) Basic

65 / 100

Category: Chemistry Ch 1 Class 11

27 g of Al will react with how much mass of O2 to produce Al2O3?

PMC Practice 22
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 8g of oxygen

B) 16g of oxygen

C) 32g of oxygen

D) 24g of oxygen

66 / 100

Category: Chemistry Ch 13 Class 12

Acetic acid derived from the word ‘Acetum’ which means_______?

PMC Sample 1
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acetic acid

B) Bitter

C) Citric

D) Vinegar

67 / 100

Category: Chemistry Ch 15 Class 12

1500•degree Celsius furnace temperature Is maintained at which zone?

Heating

Burning

Decomposition

Roth b and c

68 / 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

69 / 100

Category: Chemistry

Q.126 What is the coordination number of Pt in [PtCINO2)NH3)4]

A. 2

B. 4

C. 6

D. 7

70 / 100

Category: Chemistry Ch 5 Class 11

The Balmer series lies in which region of the electromagnetic spectrum?

NTS 2015 DUHS and JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) Ultraviolet

B) Visible

C) Infrared

D) Microwave

71 / 100

Category: Chemistry

Q.131 BH3 has a geometry with H-B-H bond angles of 12

A. Linear

B. Tringonal planar

C. Tetrahedron

D. Bent

72 / 100

Category: Chemistry Ch 2 Class 12

Group 1A and 11A are known as: ) s block elements d) P block elements

Alkali

Alkaline earth

) s block elements

P block elements

73 / 100

Category: Chemistry Ch 1 Class 11

A mole of a substance contains _____ particles.

PMC Practice 7
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 6.2×1022

B) 6.22×1022

C) 6.02×1023

D) 6.5×1022

74 / 100

Category: Chemistry Ch 10 Class 11

If we move down the electrochemical series:

NUMS 2014
Chemistry
Electrochemistry
Elimination Tool:

A) Reduction potential will increase

B) Reduction potential will decrease

C) Oxidizing ability increase

D) None of them

75 / 100

Category: Chemistry Ch 11 Class 11

If the reaction, P + Q → R + S, is described as being of zero-order with respect to P, it means that:

NTS 2012
Chemistry
Reaction Kinetics
Elimination Tool:

A) P is a catalyst in this reaction

B) No P molecules possess sufficient energy to react

C) The concentration of P does not change during the reaction

D) The rate of reaction is independent of the concentration of P

76 / 100

Category: Chemistry Ch 3 Class 12

Valence electronic configuration Cu+2 is (29Cu)

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

A) 5d6

B) 3d9

C) 3d8

D) 3d7

77 / 100

Category: Chemistry Ch 5 Class 11

The radii of the second orbit of the hydrogen atom calculated from Bohr’s model is:

NTS 2013
Chemistry
Atomic Structure
Elimination Tool:

A) 0.529 Å

B) 4.8 Å

C) 2.41 Å

D) 3.4 Å

78 / 100

Category: Chemistry

Q.21 SN reaction is a_______________?

A. Multistep reaction

B. Two step reactions

C. Concerted reaction

D. 3 step reaction

79 / 100

Category: Chemistry Ch 5 Class 12

The reduction of which of the following produces Hydrofluoric acid?

a) XeF2

XeF4

Xe F6

All of the above

80 / 100

Category: Chemistry Ch 11 Class 11

For a single step reaction A ->B + 2C, the rate law is:

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

A) Rate = k

B) Rate = k[A][B]

C) Rate = k[A]

D) Rate = k[B]

81 / 100

Category: Chemistry

Q.106 +G108 The Markownikof’s rule is applicable only on

A. 2-Butene

B. 2-Bromo-3-chloro-2-butene

C. 2,3-Dimethyl-2-butene

D. 2-Methyl-2-butene

82 / 100

Category: Chemistry

Q.174 The alcohols which are resistant to oxidation reactions are

A. Primary alcohols

B. Secondary alcohol

C. Tertiary alcohol

D. All of above

83 / 100

Category: Chemistry Ch 10 Class 12

Which of the following bond has highest bond energy value?

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) C-I

B) C-H

C) C-Cl

D) C-F

84 / 100

Category: Chemistry Ch 5 Class 12

Which halogen is used as a refrigerant?

F

CI

Br

I

85 / 100

Category: Chemistry Ch 9 Class 11

Which one of the following statements is incorrect?

NUMS 2018
Chemistry
Solution and Colloids
Elimination Tool:

A) A solution freezes at a lower temperature than the pure solvent

B) A solution boils at a higher temperature than the pure solvent.

C) 0.1 M NaCl solution and 0.1 m sugar solution have the same boiling point

D) Osmosis cannot take place without a semi-permeable membrane.

86 / 100

Category: Chemistry Ch 2 Class 12

Formula of Epsom salt is:

a

b

c

d

87 / 100

Category: Chemistry Ch 2 Class 12

Which ions shall be removed to make hard water soft?

NUMS 2019 Cancelled
Chemistry
s and p Block Elements
Elimination Tool:

A) Ca+2and SO42-

B) Ca2+and Mg2+

C) SO42-and Cl-

D) HCO3-and SO42-

88 / 100

Category: Chemistry Ch 4 Class 12

Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?

UHS 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu

B) Cu+

C) Cu-

D) Cu2+

89 / 100

Category: Chemistry Ch 10 Class 11

Highest oxidation state of chlorine Is

+7

-7

+1

−1

90 / 100

Category: Chemistry Ch 6 Class 11

Which of the following is the highest electronegative element?

F

N

CI

O

91 / 100

Category: Chemistry Ch 10 Class 11

Conversion of Electrical energy into chemical energy is

PMC Sample 2
Chemistry
Electrochemistry
Elimination Tool:

A) Mechanical Energy

B) Electromechanical Energy

C) Electrochemistry

D) Chemical Energy

92 / 100

Category: Chemistry Ch 4 Class 11

Vapor pressure depends on

Size of the container used to collect the gas

Current atmospheric pressure

Temperature of the liquid

d) Kind of gas that is being collected

93 / 100

Category: Chemistry Ch 4 Class 11

To conduct electricity through Ionic Solids, the ions should be:

PMC Practice 5
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Excited

B) Energized

C) Free

D) In random motion

94 / 100

Category: Chemistry Ch 13 Class 12

Vinegar is basically acid:

Acetic

Citrus

Formic

Butyric

95 / 100

Category: Chemistry Ch 6 Class 11

Which of the following hybrid orbitals has maximum “s” character?

PMC 2020
Chemistry
Chemical Bonding
Elimination Tool:

A) Sp3 hybrid orbital

B) Sp2 hybrid orbital

C) Sp hybrid orbital

D) Dsp2 hybrid orbital

96 / 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

97 / 100

Category: Chemistry

Q.1 The carbonyl compound which is attached with at least one H atom at one side is called as ?

A. Ketones

B. Aldehydes

C. Ethers

D. Alkyl halides

98 / 100

Category: Chemistry Ch 10 Class 12

When Grignard reagent react with water they give as a product

Ether

Amine

Alkane

Alcohol

99 / 100

Category: Chemistry Ch 5 Class 11

Which of the following is the electronic configuration of 19K?

NUMS 2016
Chemistry
Atomic Structure
Elimination Tool:

A) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2

B) 1s2, 2s2, 2p6, 3s2, 3p6, 3s2, 3d1

C) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5

D) 1s2, 2s2, 2p6, 3s2, 3p6, 4s1

100 / 100

Category: Chemistry

Example of nucleophile is:

NUMS Mock 3
Chemistry
Fundamental Principles of Organic Chemistry

A) BF3

B) SO3

C) AlCl3

D) CN

Your score is

The average score is 54%

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