Year :
1994
Title :
Chemistry
Exam :
JAMB Exam
Paper 1 | Objectives
51 - 52 of 52 Questions
| # | Question | Ans |
|---|---|---|
| 51. |
When sodium ethanoate is treated with a few drops of concentrated tetraoxosulphate(vi)acid. one of the products is A. CH3COOH B. CH3COOCH3 C. CH3COOC2H5 D. C2H5COOCH3 |
A |
| 52. |
 From the above diagram; The caustic soda in the conical flask serves to A. dry ethene gas B. remove carbon (iv) oxides from ethene C. remove carbon (ii) oxide from ethene D. remove sulphur (iv) oxide from ethene Detailed SolutionCaustic soda, \(NaOH\) , serves to remove gaseous impurities from the gas evolved during the laboratory preparation of ethene. Basically, the major impurities are Sulphur (IV) oxide and Carbon (IV) oxide. |
| 51. |
When sodium ethanoate is treated with a few drops of concentrated tetraoxosulphate(vi)acid. one of the products is A. CH3COOH B. CH3COOCH3 C. CH3COOC2H5 D. C2H5COOCH3 |
A |
| 52. |
From the above diagram; The caustic soda in the conical flask serves to A. dry ethene gas B. remove carbon (iv) oxides from ethene C. remove carbon (ii) oxide from ethene D. remove sulphur (iv) oxide from ethene Detailed SolutionCaustic soda, \(NaOH\) , serves to remove gaseous impurities from the gas evolved during the laboratory preparation of ethene. Basically, the major impurities are Sulphur (IV) oxide and Carbon (IV) oxide. |