1.

What is not true about the following reaction RCOCl + H_(2) overset(Pd//BaSO_(4) , S)rarr RCHO + HCl

Answer»

It is ROSENMUND's reaction
Sulphur increases the efficiency of the CATALYST Pd
Sulphur decreases the efficiency of the catalyst
Pd is HETEROGENEOUS catalyst

Solution :Sulphur POISONS the catalyst and decreases its efficiency and checks the reduction of aldehyde to ALCOHOL


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