Select the INCORRECT statements.
i. The rate of formation of \(\mathrm{H}_2 \mathrm{CO}_3\) is slower in RBCs and faster in plasma.
ii. Dissociation of \(\mathrm{H}_2 \mathrm{CO}_3\) into \(\mathrm{H}^{+}\)and \(\mathrm{HCO}_3^{-}\) takes place due to carbonic anhydrase.
iii. The carbonic anhydrase is present in leucocytes,
iv. The prosthetic group of carbonic anhydrase is Mn .
Select the correct option.