MCQ
Which among the following reactions does not give methyl alcohol?
- AThe reaction of ethylene with H2SO4 at 80°C
- BThe reaction of water gas with hydrogen at high temperature
- CAlkaline hydrolysis of methyl bromide
- DBoth a and b
✓
Answer
- The reaction of ethylene with H2SO4 at 80°C
Explanation:
The reaction of ethylene with H2SO4 at 80°C gives ethyl hydrogensulphate.
CH2=CH2 + H2SO4 → CH3CH2OSO2OH
Water gas (carbon monoxide and hydrogen) at high temperature gives methanol.
CO + 2H2 → CH3OH.
Alkaline hydrolysis of methyl bromide gives methanol
CH3Br + H2O → CH3OH + HBr.
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