wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

MASTERCHEMPRO: INTRODUCTION TO ORGANIC CHEMISTRY

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

Which among the following is not a class of organic compound?

a)

Carbonyl compound

b)

Nitro compound

c)

Amides

d)

Electro compounds

2.

Chlorination of alkanes is an example of

a)

Elimination reaction

b)

Free radical substitution reaction

c)

Nucleophilic substitution reaction

d)

Electrophilic addition reaction

3.

Choose the incorrect option regarding isomerism:

a)

They differ in both physical and chemical properties

b)

They have different molecular formula

c)

There are two types of isomerism : Structural and Stereoisomerism

d)

Geometric and optical isomerism are two types of stereoisomerism

4.

Which of the following cannot react as a nucleophile?

a)

CH3NH2

b)

(CH3)2NH

c)

(CH3)3N

d)

(CH3)4N+

5.

Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called?

a)

Structural Isomerism

b)

Stereoisomerism

c)

Geometrical Isomerism

d)

Optical Isomerism

6.

Which among the following does not exhibit geometric isomerism?

a)

1-hexene

b)

2-hexene

c)

3-hexene

d)

4-hexene

7.

The molecular formula C5H12 contains how many isomeric alkanes?

a)

1

b)

2

c)

3

d)

4

8.

Which of the following is NOT true about nucleophiles?

a)

donates an electron pair to an electrophile to form a chemical bond

b)

all molecules or ions with a free pair of electrons or at least one pi bond can act as nucleophiles

c)

nucleophile are Lewis acids by definition

d)

a nucleophile becomes attracted to a full or partial positive charge

9.

Which of the following statement is INCORRECT about electrophiles?

a)

Electrophiles are positively charged or neutral species having vacant orbitals

b)

The electrophiles are attacked by the most electron-populated part of one nucleophile

c)

Electrophiles are Lewis base

10.

General formula for amines is

a)

R-CH2

b)

R2CH

c)

R-NH2

d)

R-COOH

11.

What kind of molecule is this?

a)

alkane

b)

alkene

c)

alkyne

d)

cycloalkane

12.

What is a functional group?

a)

Atoms or group of atoms that give specific characteristics to a molecule

b)

Group of molecules that make up a group of atoms

c)

Group of molecules that give specific characteristics to an atom

d)

Group of atoms that give specific characteristics to an element

13.

Classify the compound based on the functional group present.

a)

Ketone

b)

Carboxylic acid

c)

Ester

d)

Ether

14.

Classify the compound based on the functional group present.

a)

Ether

b)

Ketone

c)

Ester

d)

Carboxylic acid

15.

Which statement best defines chain isomerism?

a)

Existance of chemical compounds with same molecular formula

b)

Different ways the same number of carbons are connected which is either straight or branched

c)

Have mirror image of each other

d)

Similar chemical properties with different physical properties such as solubility

16.

How to determine that a molecule exhibit cis-trans isomerism?

a)

Restricted rotation in a carbon-carbon single bond of alkenes

b)

Each carbon of a site of restricted rotation has 2 different atoms or groups attached to it

c)

Exist in cyclic compouds only

d)

Similar chemical properties

17.

Two optical isomers have the same

a)

Empirical formula

b)

Structural formula

c)

Molecular formula

18.

Which of the following molecules exhibit geometrical isomerism?

a)

CH2=CHCH3

b)

C6H5CH=CHC6H5

c)

(CH3)2C=CHCH3

d)

CH3CH2N=OH

19.

Covalent bonds can break through

a)

Homolytic fission

b)

Homolytic fusion

c)

Heterolytic fission

d)

Heterolytic fusion

20.

Formation of a single product from two reactant molecules is known as

a)

addition reaction

b)

substitution reaction

c)

elimination reaction

d)

oxidation reaction