question_answer

Wilkinson's catalyst is the first highly active homogeneous hydrogenation catalyst. Then, the chemical name of the catalyst

A) tristriphenylphosphonium Iridium chloride         

B)  tristriphenylphosphonium cobaltium chloride

C) tristriphenylphosphonium rhodium chloride        

D) tristriphenylphosphonium cobaltium bromide

Correct Answer: A

Solution :

tristriphenylphosphonium rhodium chloride This is widely used in catalytic hydrogenation.