WAEC Chemistry Past Questions & Answers - Page 172

856.

Ethyne undergoes the following reactions except

A.

polymerisation

B.

addition

C.

substitution

D.

esterification

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.

857.

Fats are classified as

A.

hydrocarbons

B.

alkanoates

C.

alkanols

D.

carbohydrates

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

858.

The colour of the solution formed when ethyne reacts with an acidic solution of potassium tetraoxomanganate (VII) is

A.

purple

B.

colourless

C.

green

D.

pink

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

859.

Which of the following substances is a non-reducing sugar?

A.

Sucrose

B.

Glucose

C.

Fructose

D.

Maltose

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

860.

What is the major product formed when C₂H₅OH reacts with CH₃COOH?

A.

C₂H₅COOCH₃

B.

C₂HCOCH₃

C.

CH₃COOC₂H₅

D.

C₃H₇COOH

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

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