Jamb Chemistry Past Questions For Year 2002

Question 1

The major product of the dehydration of the compound above is?

jamb 2002

• A. A
• B. B
• C. C
• D. D

Question 2

In the diagram above, the curve that represents the production of oxgyen gas from the decomposition of KCIO₃ in the presence of MnO₂ catalyst is

jamb 2002

• A. R
• B. P
• C. S
• D. Q

Question 3

The compound above is

jamb 2002

• A. glycol
• B. primary alkanol
• C. secondary alkanol
• D. tertiary alkanol

Question 4

The formula CH₂ for ethanoic acid is regarded as its

jamb 2002

• A. Molecular formula
• B. General formula
• C. Empirical formula
• D. Structural formula

Question 5

A compound contains 31.91% potassium, 28.93% chlorine and the rest oxygen. What is the chemical formula of the compound?

[K = 39, Cl = 35.5, O = 16]

jamb 2002

• A. KClO₄
• B. KClO
• C. KClO₂
• D. KClO₃