JEE Main & Advanced
JEE Main Paper (Held On 10 April 2016)
question_answer
An aqueous solution of a salt \[M{{X}_{2}}\] at certain temperature has a van't Hoff factor of 2. The degree of dissociation for this solution of the salt is :
JEE Main Online Paper (Held On 10 April 2016)
A)0.67
B)0.33
C)0.80
D)0.50
Correct Answer:
D
Solution :
For \[M{{X}_{2}}\]type salt Vant factor (i) \[=1+2\alpha =2\]\[\Rightarrow \]\[\alpha =0.5\]