So far total six bicarbonates have been collected in solid state. Which of the following is known in solution state only?
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a
NH4HCO3
b
LiHCO3
c
KHCO3
d
CsHCO3
answer is B.
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Detailed Solution
LiHCO3 does not exist as solid state. The Hydration energy of Lithium bicarbonates higher than lattice energy and it is difficult to separate it in to solid state from its aqueous solution.Remember: KHCO3 is dimeric while NaHCO3 is polymeric.