In the Rosenmund's reduction, $B a S O_{4}$ taken with catalyst Pd acts as

Promotor

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Catalytic poison

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Cooperator

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Absorber

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Solution

The correct option is B
Catalytic poison

barium sulfate has a low surface area which reduces the activity of the palladium, preventing over-reduction.

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Similar questions

Q. In the Rosenmund's reduction,

B a S O_{4}

taken with catalyst Pd acts as

Promotor

Catalytic poison

Cooperator

Absorber

Q. In the Rosenmund's reduction,

B a S O_{4}

taken with catalyst Pd acts as

Promotor

Assertion : Formaldehyde cannot be prepared by Rosenmund's reduction.

Reason : Acid chlorides can be reduced into aldehydes with hydrogen in boiling xylene using palladium or platinum as a catalyst supported on barium sulphate. This is known as Rosenmund's reduction.

CH3COCl+H2------->CH3CH2OH------->CH3CHO(in presence of pd,BaSO4 and quinoline).

Here quinoline acts as what?

a)+ve catalyst

b)catalyst poison

c)promoter

d)medium

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

List-1 List-2

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

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In the Rosenmund's reduction, BaSO4 taken with catalyst Pd acts as

The correct option is B Catalytic poison barium sulfate has a low surface area which reduces the activity of the palladium, preventing over-reduction.

In the Rosenmund's reduction, $B a S O_{4}$ taken with catalyst Pd acts as

The correct option is B
Catalytic poison

barium sulfate has a low surface area which reduces the activity of the palladium, preventing over-reduction.