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s3 zoology

Total questions: 9

Worksheet time: 7mins

Name
Class
Date
1.

Isomers having same structural formula but different spatial arrangement are called

a)

structural isomers

b)

position isomers

c)

stereoisomers

d)

functional isomers

2.

The property that can be assigned to a carbon atom that has 4 different groups attached to it.

a)

geometry

b)

chirality

c)

isomerity

d)

helicity

3.

Most stable conformation of cyclohexane is

a)

chair

b)

boat

c)

twist boat

d)

half chair

4.

The energy barrier for rotation of C-C bond in ethane is

a)

4 kcal/mol

b)

5 kcal/mol

c)

3 kcal/mol

d)

2 kcal/mol

5.

Can enantiomer rotates plane-polarised light?

a)

Yes in all situations

b)

No because it is optically active

c)

Yes but it can only rotate the polarised light in opposite direction

d)

No due to its restricted rotation of carbon-carbon double bond

6.

Glucose and mannose are --------------

(a)  

7.

Which is your favourite branch in Chemistry

a)

Organic

b)

Inorganic

c)

Physical

d)

Polymer

8.

Briefly explain cis-trans isomerism

4 lines
9.

Who is the father of chemistry?

a)
b)
c)
d)