Jamb Chemistry 2022 Past Questions and Answers

Question 31:

• JAMB 2022

An organic compound with fishy smell is likely to have a general formula?

A. RCONHR\(^1\)RCONH\(_2\)
B. RNH\(_2\)
C. RCOR\(^1\)

Question 32:

• JAMB 2022

N\(_2\)O\(_4\) ⇔ 2NO\(_2\) (Δ = -ve)
From the reaction above, which of these conditions would produce the highest equilibrium yield for N\(_2\)O\(_4\)?

A. Low temperature and high pressure
B. Low temperature and low pressure
C. High temperature and low pressure
D. High temperature and high pressure

Question 33:

• JAMB 2022

Zn + 2HCL → ZnCl\(_2\) + H\(_2\)
What happens to zinc in the above reaction?

A. Oxidized
B. A reactant
C. Reduced
D. A metal

Question 34:

• JAMB 2022

An organic functional group which can likely decolorize ammoniacal silver nitrate is?

A. Alkene
B. Alkane
C. Alkyne
D. Alkanol

Question 35:

• JAMB 2022

A colored gas that is known to be poisonous and can readily damage the mucous lining of the lungs is?

A. Hydrogen sulphide
B. Carbon(ii)oxide
C. Chlorine
D. Sulphur(iv)oxide