| 1 |
A hydrocarbon has molecular formula C<sub>8</sub>H<sub>14</sub>. What is the molecular formula of the next number of the same homologous series. |
- A. C<sub>9</sub>H<sub>18</sub>
- B. C<sub>9</sub>H<sub>16</sub>
- C. C<sub>9</sub>H<sub>20</sub>
- D. C<sub>9</sub>H<sub>12</sub>
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| 2 |
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
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| 3 |
Carbon black is used in the manufacture of. |
- A. Dry cleaning
- B. Shoe polishes.
- C. Fertilizer
- D. None of these
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| 4 |
How many percent of natural gas is consisted of methane. |
- A. 60%
- B. 70%
- C. 80%
- D. 85%
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| 5 |
The reduction of alkyl halides takes place in the presence of. |
- A. Zn/HCl
- B. Na/HCl
- C. Mg/HCl
- D. Cu/HCl
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| 6 |
Dehydrohalogenation takes place in the presence of . |
- A. NaOH aqueous
- B. Alcoholic KOH
- C. Aqeous KOH
- D. Alcoholic NaOH
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| 7 |
Condensed formula of ethane is |
- A. C<sub>3</sub>Cl<sub>8</sub>
- B. C<sub>2</sub>Cl<sub>6</sub>
- C. H<sub>3</sub>CCH<sub>3</sub>
- D. None of these
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| 8 |
By which process alkenes are prepared from alcohols: |
- A. Dehelogenation
- B. Dehydrogenation
- C. Dehydration
- D. Dehydro-halogenation
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| 9 |
Oxidation of ethene with KMnO<sub>4</sub>produces. |
- A. oxalic acid
- B. glyoxal
- C. ethene glycol
- D. Propene glycol
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| 10 |
Marsh gas is mostly : |
- A. ethane
- B. methane
- C. butane
- D. propane
|