| 1 |
Oxidation of alkenes produce. |
- A. Glyoxal
- B. Glycol
- C. Oxalic acid
- D. Formic acid
|
| 2 |
Substitution reaction is the characteristics of. |
- A. Alkanes
- B. Alkenes
- C. Alkynes
- D. None of these
|
| 3 |
Oxidation of Ethene with KMnO<sub>4</sub> produces. |
- A. Oxalic acid
- B. Glyoxal
- C. Ethene Glycol
- D. Propene glycol
|
| 4 |
Incomplete combustion of alkanes produce. |
- A. Carbon dixoide only
- B. Carbon monoxide only
- C. Carbon monoxide carbon black and water
- D. Carbon dioxide and carbon black
|
| 5 |
Molecular formula of butyne is . |
- A. C<sub>4 </sub>H<sub>6</sub>
- B. C<sub>3</sub>H<sub>4</sub>
- C. C<sub>4</sub>H<sub>7</sub>
- D. C<sub>4</sub>H<sub>8</sub>
|
| 6 |
Dehalogenation of tetrahalides produces acetylene. This reaction takes place in the presence of |
- A. Sodium metal
- B. Zinc metal
- C. Magnesium metal
- D. Potassium metal
|
| 7 |
Traces of acetylene are present to coal gas about. |
- A. 0.06 %
- B. 0.08%
- C. 1.1 %
- D. 90%
|
| 8 |
Ethyne is oxidized by alkaline KMnO<sub>4</sub> then ....... hydroxyl group add to the triple bond. |
- A. Two
- B. Three
- C. Four
- D. Five
|
| 9 |
Halogenation of methane on the presence of diffused sunlight takes place. |
- A. Only in one step
- B. Slowly in one step
- C. Freshly in two steps
- D. In a series of four steps
|
| 10 |
Chloroform is used for |
- A. Anesthesia
- B. Fever
- C. Link
- D. Toys
|