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Pretest: Pascal_Module 3: Organic Compounds

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which element is present in all organic compounds?

a)

A. Helium

b)

B. Nitrogen

c)

C. Carbon

d)

D. Oxygen

2.

What products are obtained with CH4(g) burns completely in an excess of oxygen?

a)

A. CO2

b)

B. CO2 and H2O

c)

C. Hydrogen gas

d)

D. Explosion

3.

A hydrocarbon molecule is saturated if the molecule contains ___________

a)

A. Single covalent bonds, only

b)

B. A triple covalent bond

c)

C. A double covalent bond, only

d)

D. Single and double covalent bonds

4.

A functional group with a carbonyl group functionality is _________________.

a)

A. Alcohol

b)

B. Amine

c)

C. Ester

d)

D. Ketone

5.

Choose the incorrect option regarding Isomerism:

a)

A. They differ in both physical and chemical properties

b)

B. They have the different molecular formula

c)

C. Chain isomers differ in the arrangement of their skeleton

d)

D. They have the same molecular formula

6.

Which among the following is formed when an alcohol is dehydrated?

a)

A. Aldehyde

b)

B. Ketone

c)

C. Alkene

d)

D. Amine

7.

The reaction of water with alkene to produce an alcohol is a/an ______ reaction.

a)

A. Addition

b)

B. Condensation

c)

C. Combustion

d)

D. Saponification

8.

The organic starting materials for the preparation of an ester could be_________

a)

A. a ketone and alcohol

b)

B. water and oxygen

c)

C. an acid and alcohol

d)

D. alkane and aldehyde

9.

Hydrolysis (saponification) of a fat would yield_____________.

a)

A. water and alkene

b)

B. ketone and aldehyde

c)

C. ethanol and acid

d)

D. glycerol and soap

10.

This type of isomerism occurs when different compounds are formed due to the different arrangements of their atoms leading to different functional groups.

a)

A. chain

b)

B. functional

c)

C. positional

d)

D. geometric