Question

Formulae for Nessler's reagent is:

• A. $KHg{I}_3$
• B. $Hg{I}_2$
• C. $K_{2}Hg{I}_4$
• D. $KH{g}_2{I}_2$

Answer 1

Answer: (C)

Nessler's reagent is $K_{2}Hg{I}_4$.