Question

Which of the following ions is not present in 1st group?

• A. Mercurous ion
• B. Lead ion
• C. Silver ion
• D. Ferrous ion

Answer 1

The correct option is D Ferrous ion

First analytical group of cation contain of $A{g}^{+},P{b}^{+2}$ and $H{g}_2^{2+}$. It does not consist of $ferrous$ ion.