Assertion :
The solubility of $H g I_{2}$ in water decreases in presence of $K I$
Reason: $H g I_{2}$ is insoluble in water but it becomes soluble in $K I (a q)$

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
$H g I_{2}$ forms soluble complex with $K I$ .

$2 K I + H g I_{2} ⟶ K_{2} H g I_{4}$

So, solubility of $H g I_{2}$ in water increases in presence of $K I$ .

Hence, both assertion and reason are incorrect.

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Similar questions

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :The solubility of HgI2 in water decreases in presence of KI Reason: HgI2 is insoluble in water but it becomes soluble in KI(aq)

The correct option is D Both Assertion and Reason are incorrectHgI2 forms soluble complex with KI.2KI+HgI2⟶K2HgI4So, solubility of HgI2 in water increases in presence of KI.Hence, both assertion and reason are incorrect.

Assertion :
The solubility of $H g I_{2}$ in water decreases in presence of $K I$
Reason: $H g I_{2}$ is insoluble in water but it becomes soluble in $K I (a q)$

The correct option is D Both Assertion and Reason are incorrect
$H g I_{2}$ forms soluble complex with $K I$ .

$2 K I + H g I_{2} ⟶ K_{2} H g I_{4}$

So, solubility of $H g I_{2}$ in water increases in presence of $K I$ .

Hence, both assertion and reason are incorrect.