The values of van't Hoff factors for KCl, NaCl and `K_2SO_4` , respectively , are ___

Options

A. 2, 2 and 2
B. 2, 2 and 3
C. 1, 1 and 2
D. 1, 1 and 1

Answer

B

Explanation

`KCl to H^(+) + Cl^(-) (i=2) , NaCl to Na^(+) + Cl^(-) (i=2)`
`K_(2)SO_(4) to 2k^(+) + SO_(4)^(2-) (i=3)`