Question

For which of the following solutes the van’t Hoff factor is not greater than one?

• A. $NaNO_{3}$
• B. $BaCl_{2}$
• C. $K_{4}\lbrack Fe(CN)_{6}\rbrack$
• D. $NH_{2}CONH_{2}$

Answer 1

Answer: (D)

$NH_{2}CONH_{2}$

Answer 2

Urea is non electrolyte hence will not dissociate to give ions.