| 1 |
Alkanes do not react in |
- A. Diffused sunlight
- B. Dark
- C. Bright sunlight
- D. None of these
|
| 2 |
Chemical formula of chloroform. |
- A. CH<sub>3</sub>Cl
- B. CH<sub>2</sub>O<sub>2</sub>
- C. CHCl<sub>2</sub>
- D. CCl<sub>4</sub>
|
| 3 |
Which is present 85% in natural gas? |
- A. Ethane
- B. Propane
- C. Methane
- D. Butane
|
| 4 |
Substitution reaction is the characteristics of. |
- A. Alkanes
- B. Alkenes
- C. Alkynes
- D. None of these
|
| 5 |
The end product of oxidation of acetylene is. |
- A. Propen glycol
- B. Ethan glycol
- C. Glyoxal
- D. Oxalic acid
|
| 6 |
Boiling point of alcohol in centigrade is. |
- A. 68
- B. 78
- C. 118
- D. 128
|
| 7 |
Ethen is prepared by heating a mixture of ethanol and excess of concentrated sulphuric acid at: |
- A. 150°C
- B. 180°C
- C. 250°C - 300°C
- D. 400°C - 450°C
|
| 8 |
The order of reactivity of hydrogen halides with alkenes is. |
- A. HI>HBr
- B. HBr>HI
- C. HCl>HBr
- D. HBr < HCl
|
| 9 |
Which one of the following is gas at room temperature: |
- A. C2H6
- B. C6H14
- C. C6H6
- D. C8H18
|
| 10 |
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>
|