Jamb Chemistry Past Questions For Year 1992
Question 46
An organic compound containing 40.1% carbon and 6.6% hydrogen has an empirical formula of?
- A. C2H4O2
- B. C2H3O2
- C. CH2O
- D. CH3O
Question 47
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
Question 48
Which of the following compounds is a secondary alkanol?
- A. A
- B. B
- C. C
- D. D
Question 49
In the experiment above. Z can be
- A. a solution of sodium dioxonitrate (lll) and ammonium chloride
- B. a solution of lead trioxnitrate (V)
- C. a solution of sodium trioxonitrate (V) and ammonium chloride
- D. concentrated tetraoxosulphate (VI) acid and sodium trioxonitrate (V)
