Assertion : $N a H C O_{3}$ is water insoluble. Reason: Lithium carbonate is completely water soluble.

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 C Assertion is correct but Reason is incorrect
$N a H C O_{3}$ is not soluble in water but except $L i_{2} C O_{3}$ , The group-1 carbonates are fairly soluble in water. The solubility increases down the group as the ionic nature nature increases.

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(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
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Assertion :NaHCO3 is water insoluble. Reason: Lithium carbonate is completely water soluble.

The correct option is C Assertion is correct but Reason is incorrectNaHCO3 is not soluble in water but except Li2CO3, The group-1 carbonates are fairly soluble in water. The solubility increases down the group as the ionic nature nature increases.

Assertion : $N a H C O_{3}$ is water insoluble. Reason: Lithium carbonate is completely water soluble.

The correct option is C Assertion is correct but Reason is incorrect
$N a H C O_{3}$ is not soluble in water but except $L i_{2} C O_{3}$ , The group-1 carbonates are fairly soluble in water. The solubility increases down the group as the ionic nature nature increases.