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Chemistry Lesson 16

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

is the chemistry of compounds of carbon.

a)

Organic chemistry

b)

Inorganic chemistry

c)

Biochemistry

d)

Physical chemistry

2.

Organic molecules are primarily composed of WHAT?

a)

C & H

b)

S&C

c)

N&H

d)

C only

3.

The importance of organic molecules

a)

Medicine

b)

Technology ink

c)

Dyes

d)

All of the above

4.

The simplest organic compounds are called

a)

Hdrogecarbon

b)

Hydrocarbon

c)

Carbohaydro

d)

Carbon

5.

Primary, Secondary, Tertiary , Quaternary carbon atoms are connected to one carbon, two carbons, four carbons and three carbons, respectively

a)

False

b)

True

6.

Classification of alkane, alkene and alkyne

a)

Acyclic

b)

Cyclic

c)

Aliphatic Cyclic

d)

Aromatic

7.

(CnH2n+2) is the molecular formula of….

a)

Alkyne

b)

Alkene

c)

Alkane

d)

Benzene

8.

(CnH2n) is the molecular formula of….

a)

Alkyne

b)

Alkane

c)

Alkene

d)

Benzene

9.

(CnH2n-2) is the molecular formula of….

a)

Alkane

b)

Alkyne

c)

Benzene

d)

Alkene

10.

What is the molecular formula of benzene?

a)

CnH2n

b)

CnHn-6

c)

CnH2n-6

d)

CnHn

11.

(CnH2n) is the molecular formula of

a)

Alkane

b)

Alkyne

c)

Cycloalkane

d)

Cycloalkene

12.

(CnH2n-2) is the molecular formula of

a)

Cycloalkane

b)

Alkane

c)

Alkene

d)

Cycloalkene

13.

The simplest alkane is

a)

Methene

b)

Methane

c)

Methyne

d)

Ethyl

14.

The shape of methane is

a)

Linear

b)

Trigonal Planar

c)

Tetrahedral

d)

Bent

15.

Alkyl groups are derivatives from..

a)

Alkene

b)

Alkyl

c)

Alkane

d)

All of them

16.

is a structural formula that shows all

atoms in a molecule and all bonds connecting the atoms.

a)

Molecular formula

b)

Expanded formula

c)

Condensed formula

d)

Line-angle formula

17.

is a structural formula that show

hydrogen atoms right next to the carbon atoms to which they are

attached.

a)

Molecular formula

b)

Expanded formula

c)

Condensed formula

d)

Line-angle formula

18.

is a structural formula in which a line

represents a carbon – carbon bond.

a)

Molecular formula

b)

Expanded formula

c)

Condensed formula

d)

Line-angle formula