In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01 M MgCl2 solution is _____________.
In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01 M MgCl2 solution is _____________.

(i) the same

(ii) about twice

(iii) about three times

(iv) about six times

 

Correct Answer: (iii) about three times

Explanation: The depression in freezing point of a 0.01M MgCl2 solution is three times than that of the glucose solution.