| 1 |
____________ use for ripening of fruits. |
- A. Ethene
- B. Ethane
- C. Ethyne
- D. Propane
|
| 2 |
Oxidation of alkenes forms: |
- A. Glycol
- B. Glyoxal
- C. Formic acid
- D. Oxalic acid
|
| 3 |
Which gas in produced during ripening of bnabanas. |
- A. Methane
- B. Ethene
- C. Acetylene
- D. Carbon dioxide
|
| 4 |
Which of one of the following is used as as fumigant: |
- A. Ethyl alcohol
- B. ethylene oxide
- C. ethylene glycol
- D. diethyl ether
|
| 5 |
Which one of these is a saturated hydrocarbon? |
- A. C<sub>2</sub>H<sub>4</sub>
- B. C<sub>3</sub>H<sub>6</sub>
- C. C<sub>4</sub>H<sub>8</sub>
- D. C<sub>5</sub>H<sub>12</sub>
|
| 6 |
Oxidation of ethene with KMnO<sub>4</sub>produces. |
- A. oxalic acid
- B. glyoxal
- C. ethene glycol
- D. Propene glycol
|
| 7 |
General formula of alkenes. |
- A. C<sub>n</sub> H<sub>2n-2</sub>
- B. C<sub>n</sub>H<sub>2n</sub>
- C. C<sub>n</sub>H<sub>2n+2</sub>
- D. C<sub>n</sub>H<sub>2n-1</sub>
|
| 8 |
Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine? |
- A. CH<sub>4</sub>
- B. C<sub>10</sub>H<sub>20</sub>
- C. C<sub>2</sub>H<sub>4</sub>
- D. C<sub>2</sub>H<sub>2</sub>
|
| 9 |
Which hydrocarbon molecule would have no effect on the aqueous solution of bromine? |
- A. CH<sub>4</sub>
- B. C<sub>10</sub>H<sub>20</sub>
- C. C<sub>2</sub>H<sub>4</sub>
- D. C<sub>2</sub>H<sub>2</sub>
|
| 10 |
Halogenation of alkanes in the presence of diffused sunlight takes place. |
- A. Suddenly, only in one step
- B. Slowly in one step
- C. In a series of step
- D. Fastly in two steps
|
