Post Utme Chemistry Past Questions and Answers

Question 966:

The name of \(CH _{3}- OCOC _{2} H _{5}\) is, ____________

A. Methoxyethane
B. Methyl propanoate
C. Ethyl ethanoate
D. Propyl methanoate

Question 967:

How many isomeric dichlorobenzenes are obtainable?

A. 1
B. 2
C. 3
D. 4

Question 968:

By accurate description, ozone in the reaction, \(O _{4( s )}+ H _{2} O _{2(n)} \rightarrow H _{2} O _{( O }+2 O _{2( g )}\) is ____________

A. Displaced to form oxygen
B. Decomposed to form oxygen
C. Oxidized to oxygen
D. Reduced to oxygen

Question 969:

If \(7.0 g\) of ethene at s.t.p. occupy \(5.6 dm ^{3}\), what volume will \(7.5 g\) of ethane at the same condition occupy?
\([ C =12 ; H\) \(=1 ;\) GMV at s.t.p. \(\left.=22.4 dm ^{3}\right]\)

A. \(6.0 dm ^{3}\)
B. \(5.6 dm ^{3}\)
C. \(5.2 dm ^{3}\)
D. \(9.4 dm ^{3}\)

Question 970:

Which of the alcohols below is likely to be oxidized to give the acid, ____________

A. Butan \(-1-\) ol
B. 2 - Methylpropan \(-2- ol\)
C. 2 - Methylpropan - 1 ol
D. Propan \(-2- ol\)