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Aq. Solution of the cation(s) present...

Aq. Solution of
the cation(s) present in 'X' is/are:

A

`NH_(4)^(+)`

B

`Na^(+)`

C

`Mg^(2+)`

D

`K^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
`3K^(+)+Na_(3)[Co(NO_(2))_(6)] to underset("yellow")(K_(3)[Co(NO_(2))_(6)darr)+3Na^(+)]`
`Na^(+) and Mg^(2+)` do not give test.
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