MCQ
Above conversion can be achieved by


- AWolff- Kishner reduction
- BClemmensen reduction
- C$HS -CH_2 -CH_2 -SH$, following by Raney $Ni$
- ✓None of these

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$XeF _2, I _3^{+}, C _3 O _2, I _3^{-}, CO _2, SO _2, BeCl_2 \text { and } BCl _2^{\Theta}$
