Jamb Chemistry 2014 Past Questions and Answers

Question 36:

• JAMB 2014

A few drops of NaOH solution was added to an unknown salt forming a white precipitate which is insoluble in excess solution. The cation likely present is

A. Zn²⁺
B. Pb²⁺
C. Ca²⁺
D. Al³⁺

Question 37:

• JAMB 2014

The general formula of haloalkanes where X represents the halide is

A. C_n H _2n-1X.
B. C _nH _2nX.
C. C _nH _2n+2 X
D. C _nH _2n+1X

Question 38:

• JAMB 2014

The alkanol obtained from the production of soap is

A. Propanol
B. Ethanol
C. Glycerol
D. Methanol

Question 39:

• JAMB 2014

Ethyne is passed through a hot tube containing organo-nickel catalyst to produce

A. Isoprene
B. Polythene
C. Ethanol
D. Benzene

Question 40:

• JAMB 2014

Due to the unstable nature of ethyne, it is stored by dissolving in

A. Ethane-1,2-diol
B. Propanol
C. Ethanoic acid
D. Propanone