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Standard XII

Chemistry

Solubility Product

Assertion :Mo...

Question

Assertion :Molten $I_{2}$ is conducting in nature. Reason: Bond dissociation energy increases in the order, ${B r}_{2} < {C l}_{2} < I_{2}$ .

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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Assertion is incorrect but Reason is correct.

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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Molten iodine is conducting in nature due to the following self ionization equilibrium.
$3 I_{2} ⇌ I^{3 +} + I^{3 -}$
Bond dissociation energy increases in the order $I_{2} < {B r}_{2} < {C l}_{2}$
Thus, assertion is correct but Reason is incorrect.

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Assertion :Molten I2 is conducting in nature. Reason: Bond dissociation energy increases in the order, Br2<Cl2<I2.

The correct option is C Assertion is correct but Reason is incorrect.Molten iodine is conducting in nature due to the following self ionization equilibrium.3I2⇌I3++I3−Bond dissociation energy increases in the order I2<Br2<Cl2Thus, assertion is correct but Reason is incorrect.

Assertion :Molten $I_{2}$ is conducting in nature. Reason: Bond dissociation energy increases in the order, ${B r}_{2} < {C l}_{2} < I_{2}$ .