Wilkinson catalyst is

1. $\left[{\left({\mathrm{Et}}_3\mathrm{P}\right)}_3\mathrm{IrCl}\right] \left(\mathrm{Et}={\mathrm{C}}_2{\mathrm{H}}_5\right)$
2. $\left[{\left({\mathrm{Ph}}_3\mathrm{P}\right)}_3\mathrm{RhCl}\right]$
3. $\left[{\left({\mathrm{Ph}}_3\mathrm{P}\right)}_3\mathrm{IrCl}\right]$
4. $\left[{\left({\mathrm{Et}}_3\mathrm{P}\right)}_3\mathrm{RhCl}\right]$

Solution

Asked in: JEE Main 2019 (10 Jan Shift 1)

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