Which of the following is called Wilkinson's catalyst ?

CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements

Problem

Which of the following is called Wilkinson's catalyst ? (1)

[\text{Ph}_3\text{P}]_3\text{RhCl}

(2)

\text{TiCl}_4 + (\text{C}_2\text{H}_5)_3\text{Al}

(3)

(\text{C}_2\text{H}_5)_4\text{Pb}

(4)

[\text{PtCl}_2(\text{NH}_3)_2]