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JIPMER 2009

Exam: JIPMER
Year: 2009
Subject: Chemistry
Chapter: Aldehydes and Ketones

JIPMER 2009 · Chemistry · Aldehydes and Ketones

Which of the following reagents converts both acetaldehyde and...

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

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

Options

A $\mathrm{Ni} / \mathrm{H}_2$
B $\mathrm{LiAlH}_4$
C $\mathrm{I}_2 / \mathrm{NaOH}$
D $\mathrm{Zn}-\mathrm{Hg} /$ conc. HCl

Correct answer

D. $\mathrm{Zn}-\mathrm{Hg} /$ conc. HCl

Step-by-step solution

Clemmensen's reduction (conc.

\mathrm{HCl} / \mathrm{Zn}-\mathrm{Hg}

) or Wolf-Kishner reduction

\left(\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa} / \mathrm{NH}_2 \mathrm{NH}_2\right)

can be used to convert

\gt\mathrm{C}=\mathrm{O}

group into

\gt\mathrm{CH}_2

group.

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

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