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Q.

Which of the following reagents converts both acetaldehyde and acetone to alkanes?

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a

Ni/H2

b

Zn-Hg/HCl

c

LiAlH4

d

NaOH/I2

answer is D.

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Detailed Solution

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The acetaldehyde and acetone are converted to corresponding alkane with the help of Ziegler-Natta reagent (Zn-Hg/HCl) in presence of strong acid like HCl

The reaction is also known as Clemensson's reduction. It converts carbonyl group to methylene group. 

Question Image

 

 

Acetaldehyde Ethane 

 

 Question Image

Acetone Propane 

 

Hence, the correct answer is option (D) Zn-Hg/HCl.

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