Basics of Organic Chemistry AFCAT Questions

AFCAT Chemistry

Basics of Organic Chemistry MCQ Questions


1.

What is the general molecular formula of alkanes?

A.

CnH2n-2

B.

CnH2n

C.

CnHn

D.

CnH2n+2

😑 View Answer Rough Work Error
ANSWER :

D. CnH2n+2

2.

Which of the following is the simplest alkane?

A.

Butane (C4H10)

B.

Propane (C3H8)

C.

Methane (CH4)

D.

Ethane (C2H6)

😑 View Answer Rough Work Error
ANSWER :

C. Methane (CH4)

3.

What is the hybridisation of carbon atoms in alkanes?

A.

sp2

B.

sp3d

C.

sp

D.

sp3

😑 View Answer Rough Work Error
ANSWER :

D. sp3

4.

The bond angle in methane (CH4) is approximately:

A.

120°

B.

180°

C.

109.5°

D.

90°

😑 View Answer Rough Work Error
ANSWER :

C. 109.5°

5.

Which of the following is NOT an alkane?

A.

C2H6

B.

C4H10

C.

CH4

D.

C3H6

😑 View Answer Rough Work Error
ANSWER :

D. C3H6

6.

The IUPAC name of (CH3)2CHCH2CH3 is:

A.

3-Methylbutane

B.

Isopentane

C.

2-Methylpropane

D.

2-Methylbutane

😑 View Answer Rough Work Error
ANSWER :

D. 2-Methylbutane