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Which of the following bicarbonates cons...

Which of the following bicarbonates consists of dimeric anions in the crystalline state?

A

`CsHCO_(3)`

B

`RbHCO_(3)`

C

`KHCO_(3)`

D

`NaHCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
The crystal structures of both `NaHCO_(3)` and `KHCO_(3)` show hydrogen bonding but are diferent. In `NaHCO_(3)`, the `HCO_(3)^(-)` anions are linked into an infinite chain, whilst in `KHCO_(3)`, a dimeric anion is formed
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