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Some KH(2)PO(2) is dissolved in D(2)O . ...

Some `KH_(2)PO_(2)` is dissolved in `D_(2)O` . The resulting solution is dried. The residue obtained contains

A

Only `KH_(2)PO_(2)`

B

only `KD_(2)PO_(2)`

C

`KDHPO_(2)` and `KH_(2)PO_(2)`

D

`KDHPO_(2)` and `KDPO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`KH_(2)PO_(2)` has no ionisable `H^(+)` ions. As such it will not exchange any `H^(+)` ions with `D^(+)` of `D_(2)O`
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