A) cone. \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]
B) Zn - Hg/conc. \[\text{HCl}\]
C) \[aq.\text{ }KOH\]
D) \[alc.\text{ }KOH\]
Correct Answer: B
Solution :
In Clemmensen's reduction, reagent Zn-Hg/conc. \[HCl\]is used. \[>C=O+4H\xrightarrow{\overset{\text{Zn}\text{.Hg}}{\mathop{\text{+ }\,\text{conc}\text{. HCl}}}\,}>C{{H}_{2}}+{{H}_{2}}O\] This method is used to convert carbonyl compound into alkane.
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