JEE MAIN - Chemistry (2021 - 27th July Evening Shift - No. 19)
In a solvent 50% of an acid HA dimerizes and the rest dissociates. The van't Hoff factor of the acid is __________ $$\times$$ 10$$-$$2.
(Round off to the nearest integer)
(Round off to the nearest integer)
Answer
125
Explanation
_27th_July_Evening_Shift_en_19_2.png)
Now, $$i = {{final\,moles} \over {initial\,moles}} = {{0.25a + 0.5a + 0.5a} \over {0.5a + 0.5a}}$$
= 1.25 = 125 $$\times$$ 10$$-$$2
Comments (0)
