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Preparation of Benzene and Homologues

The reagent u...

Question

The reagent used in the Wolff-Kishner reduction is:

A

H_{2} N - N H_{2} / K O H

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B

H_{2} / N i

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C

S n / H C l

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D

L i A l H_{4}

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Solution

The correct option is A $H_{2} N - N H_{2} / K O H$
A : $H_{2} N - N H_{2} / K O H$
The Wolff–Kishner reduction is a reaction used in organic chemistry to convert carbonyl functionalities into methylene groups.

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Q. The reagent used in Wolff-Kishner reduction is:

Q. Which of the following is not used in Wolff-Kishner reduction?

Q. Wolff-Kishner reduction is:

Match List-1 (Name of the reaction) with column-2 (Reagent used).

Name of the reaction	Reagent used
1. Rosenmund's reduction	A. Zn-Hg/Conc. HCl
2. Wacker Process	$B . N H_{2} - N H_{2} + K O H + (C H_{2} O H)_{2}$
3. Clemmensen's reduction	$C . P d C l_{2} + C u C l_{2} / H_{2} O$
4. Wolff- Kishner reduction	D. $P d - B a S O_{4}$ /Quinoline +S

Q. Match the column I with column II and mark the appropriate choice.

Column I	Column II
(A) Clemmensen reduction	(i) $N H_{2} N H_{2}, K O H / △$
(B) Wolff-kishner	(ii) $Z n - H g + c o n c . H C l$
(C) Iodoform reaction	(iii) $H_{2}, P d / P t / N i$
(D) Catalytic hydrogenation	(iv) $N a O H + I_{2}$

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Preparation of Benzene and Homologues

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