Q.

Statement-1: LiHCO3 cannot exist in solid form.
Statement-2: Li2O has the highest thermal stability among the alkali metal oxide

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a

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

b

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

c

Both (A) and (R) are false

d

(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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