JAMB Chemistry Past Questions & Answers - Page 376

1,876.

Which of the following are structural isomers?

A.

propanoic acid and propan-1, 2-diol

B.

Propanal and propanone

C.

Ethanoic acid and propanoic acid

D.

Ethan-1, 2-diol and ethanoic acid

Correct answer is B

No explanation has been provided for this answer.

1,877.

The decolourization of purple colour of tetraoxomanganate (VII) ion is a test for

A.

alkenes

B.

alkanols

C.

alkanals

D.

alkanes

Correct answer is A

No explanation has been provided for this answer.

1,878.

The enzymes responsible for converting sucrose into two simple isomeric sugars is

A.

maltase

B.

amylase

C.

invertase

D.

lactase

Correct answer is C

No explanation has been provided for this answer.

1,879.

What will happen if an aluminium spoon is used to stir a solution of iron (II) trioxonitrates (V)?

A.

The spoon will be oxidized while the iron (II) ions will be reduced to the metal

B.

The spoon will increase in size

C.

The spoon will be reduced while the iron (II) ions will be oxidized

D.

The spoon will be reduced

Correct answer is A

No explanation has been provided for this answer.

1,880.

What is the correct IUPAC name for NO\(_{2} ^{-}\)?

A.

Dioxonitrate (IV) ion

B.

Trioxonitrate (III) ion

C.

Trioxonitrate (IV) ion

D.

Dioxonitrate (III) ion

Correct answer is D

No explanation has been provided for this answer.