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Organic Chemistry-Some Basic Concepts

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

An electrophile is a Lewis...............

a)

Base

b)

Acid

c)

Radical

d)

Anion

2.

t-Butyl cation is (a)   stable than the allyl radical

3.

A neutral species that has an unpaired electron is called a ........

a)

Electrophile

b)

Nucleophile

c)

Carbanion

d)

Free radical

4.

The carbon bearing the unpaired electron in a simple alkyl free radical is ........... hybridized

a)

sp

b)

sp2

c)

sp3

d)

sp2d

5.

The acidity of chloroacetic acid is (a)   than that of acetic acid

6.

What kind of bond cleavage yields charged fragments?

a)

Heterolysis

b)

Homolysis

c)

substitution

d)

Unifrom

7.

How many sigma bonds are there in acetylene molecule?

a)

1

b)

3

c)

2

d)

5

8.

Number of alpha hydrogen atoms in 2-butene molecule is..........

a)

2

b)

6

c)

4

d)

3

9.

What kind of mesomeric effect does nitro group exhibit?

(a)  

10.

What is the state of hybridisation of both carbons in ethene

(a)