| 1 |
Formula of chloroform is |
- A. CH<sub>3</sub>Cl
- B. CCl<sub>4</sub>
- C. CH<sub>2</sub>Cl<sub>2</sub>
- D. CHCl<sub>3</sub>
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| 2 |
Which compound is least reactive |
- A. CH3-CH3
- B. CH2=CH2
- C. CH=CH
- D. C6H6
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| 3 |
Which one of the following gases is used welding purpose usualy. |
- A. Methane
- B. Ethane
- C. Ethene
- D. Acetylene
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| 4 |
Which one of the following gases is prepared by heating a mixture of sodium acetate and sodium hydrozide. |
- A. CH4
- B. CH2-CH3
- C. CO2
- D. CO
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| 5 |
An aldehyde is reduced to alkane with hydrazine is the presence of |
- A. KOH
- B. NaOH
- C. CaO and NaOH
- D. Ca(OH)2
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| 6 |
Acetylene polymerized in the presence of ammonium chloride and cuprous chloride ot form. |
- A. Benzene
- B. PVC
- C. Di vieiyl acetylene
- D. Polyethene
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| 7 |
Acetylene reacts with ammoniacal cuprous chloride a red ppt is formed. This red ppt is of |
- A. Copper chlorite
- B. Coper chlorate
- C. Cupric oxide
- D. Copper acetylide
|
| 8 |
Which has reddish brown colour. |
- A. silver acetylide
- B. Copper acetylide
- C. BaSO4
- D. Aqueous KMnO4 solution
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| 9 |
Vinyl acetylene combines with HCl to form |
- A. Polyacetylene
- B. Benzene
- C. Chloroprene
- D. Divinyl acetylene
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| 10 |
The catalytic oxidation of methane produces |
- A. CO + H<sub>2</sub>O
- B. CO<sub>2</sub>+ H<sub>2</sub>O
- C. C<sub>2</sub>+ H<sub>2</sub>O
- D. H<sub>3</sub>C - OH
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