JAMB Chemistry Past Questions & Answers - Page 294

1,466.

The functional group present in an organic compound which gives bubbles on treatment with a saturated solution of NaHCO3 is?

A.

hydroxyl group

B.

carboalkoxyl group

C.

carbonyl group

D.

carboxyl group

Correct answer is D

No explanation has been provided for this answer.

1,467.

Which of the following are isomers?

A.

Ethanol and dimethyl ether

B.

Benzene and methybenzene

C.

Ethanol and propanone

D.

Trichloromethane and tetrachloromethane

Correct answer is A

No explanation has been provided for this answer.

1,468.

Which of the following compounds reacts with sodium metal as well as silver and copper salts ?

A.

CH3C Ξ C—CH3

B.

CH3CH2CH23>

C.

CH3C Ξ CH

D.

CH3CH = CH CH3

Correct answer is C

No explanation has been provided for this answer.

1,469.

The carbon atoms in ethene are?

A.

sp3 hybridized

B.

sp hybridized

C.

sp2 hybridized

D.

not hybridized

Correct answer is C

No explanation has been provided for this answer.

1,470.

CaOs + H2O(l) → Ca(OH)2(s) ΔH -65 kj. The process represented by the above equation is known as?

A.

dissolution

B.

slaking

C.

liming

D.

mortaring

Correct answer is B

No explanation has been provided for this answer.