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RCOCl+ H(2)overset(Pd//BaSO(4)//S)toRCHO...

`RCOCl+ H_(2)overset(Pd//BaSO_(4)//S)toRCHO+HCl`
In the above reaction (Rosenumed reduction),`BaSO_(4)//S` asts as:

A

promoter for catalyst

B

poison for catalyst

C

only catalyst

D

d

Text Solution

Verified by Experts

The correct Answer is:
B
Sulphur (S) poisons the catalyst Pd deposited over `BaSO_(4).` Its effecency and cannot carry the reducton of aldehyde to primary alcohol.
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