Question

$K_{2}Hg{I}_4$ is $40\%$ ionised in aqueous solution. The value of its van't Hoff factor (i) is :

• A. 1.8
• B. 2.2
• C. 2.0
• D. 1.6

Answer 1

Answer: (A)

For $K_2[Hg{I}_4]$
$i=1+0.4(3-1)$
$=1.8$