MCQ
Above conversion can be achieved by


- AWolf-Kishner reduction.
- ✓Clemmensen reduction
- C$LiAlH_4$
- D$NaBH_4$


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| Gas | $\text{CO}_2$ | $\text{SO}_2$ | $\text{CH}_4$ | $\text{H}_2$ |
| Critical temp$./K$ | $304$ | $630$ | $190$ | $33$ |
|
LIST $I$ (Compound) |
LIST $II$ (Uses) |
| $A$ Iodoform | $I$ Fire extinguisher |
| $B$ Carbon tetrachloride | $II$ Insecticide |
| $C$ $CFC$ | $III$ Antiseptic |
| $D$ $DDT$ | $IV$ Refrigerants |
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