JAMB Chemistry Past Questions & Answers - Page 425

2,121.

When the two end alkyl groups ethyl ethanoate are interchange, the compound formed is known as

A.

methyl ethanoate

B.

ethyl propanaote

C.

methyl propanoate

D.

propyl ethanoate

Correct answer is C

No explanation has been provided for this answer.

2,122.

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be

A.

alkene

B.

alkanal

C.

alkanone

D.

alkanoic acid

Correct answer is A

No explanation has been provided for this answer.

2,123.

POlyvinyl chloride is used to produce

A.

bread

B.

pencils

C.

ink

D.

pipes

Correct answer is D

No explanation has been provided for this answer.

2,124.

When excess ethanol is heated to 145oC in the presence of concentrated H2SO4, the product is

A.

ethyne

B.

diethyl sulphate

C.

diethyl ether

D.

acetone

Correct answer is C

No explanation has been provided for this answer.

2,125.

Which of the following is a solvent for perfumes?

A.

C5H12

B.

C4H6

C.

CH3COOH

D.

C2H5OH

Correct answer is D

No explanation has been provided for this answer.