JEE PYQ: Solutions And Colligative Properties Question 19
Question 19 - 2020 (06 Sep Shift 1)
The elevation of boiling point of 0.10 m aqueous $\text{CrCl}_3 \cdot x\text{NH}_3$ solution is two times that of 0.05 m aqueous $\text{CaCl}_2$ solution. The value of $x$ is ____.
[Assume 100% ionisation, coordination number of Cr is 6, all $\text{NH}_3$ inside coordination sphere]
Show Answer
Answer: 5
Solution
$i = 3$. The complex is $[\text{Cr(NH}_3)_5\text{Cl}]\text{Cl}_2$. $x = 5$.
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