Question
The mismatched combinations are
A. Chlorophyll - Co
B. Water hardness - EDTA
C. Photography $-\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]^{-}$
D. Wilkinson catalyst $-\left[\left(\mathrm{Ph}_{3} \mathrm{P}\right)_{3} \mathrm{RhCl}\right]$
E. Chelating ligand - D-Penicillamine
Choose the correct answer from the options given below :