Statement-1: ${LiHCO}_{3}$ cannot exist in solid form.
Statement-2: ${Li}_{2} O$ has the highest thermal stability among the alkali metal oxide

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Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

(A) is true but (R) is false

answer is B.

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Detailed Solution

It is challenging to convert lithium bicarbonate from its aqueous solution into a solid because its hydration energy is higher than its lattice energy.

Hence, option B is correct.

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