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A sodium salt of unknown anion when trea...

A sodium salt of unknown anion when treated with `MgCl_(2)` gives a white `ppt`. On boiling. The anion is

A

`HCO_(3)^(-)`

B

`NO_(3)^(-)`

C

`CO_(3)^(2-)`

D

`SO_(3)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`2NaHCO_(3)+MgCl_(2)rarr MgCO_(3)+2NaCl+H_(2)O`
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