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A sodium salt on treatment with MgCl(2) ...

A sodium salt on treatment with `MgCl_(2)` gives white precipitate only on heating. The anion of the sodium salt is `:`

A

`HCO_(3)^(-)`

B

`CO_(3)^(2-)`

C

`NO_(3)^(-)`

D

`SO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`MgCl_(2)+2NaHCO_(3)rarrunderset("(soluble)")(Mg(HCO_(3))_(2))+2NaCl`
`Mh(HCO_(3))_(2)overset("heat")rarr MgCO_(3)darr+H_(2)P+CO_(2)`
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Knowledge Check

  • A sodium salt on treatment with MgCl_(2) gives white precipitate only on heating. The anion of sodium salt is

    A
    `HCO_(3)^(-)`
    B
    `CO_(3)^(2-)`
    C
    `NO_(3)^(-)`
    D
    `SO_(4)^(2-)`

  • A sodium salt on treatment with MgCl_(2) gives white precipitate on heating. The anion of the sodium salt is:

    A
    `CO_(3)^(2-)`
    B
    `HCO_(3)^(Θ)`
    C
    `SO_(4)^(2+)`
    D
    `NO_(3)^(Θ)`

  • A sodium salt on treament with MgCl_(2) gives white precipitate only on heatingh .The anoin of sodium salt is

    A
    `CO_(3)^(2-)`
    B
    `NO_(3)^(-)`
    C
    `SO_(3)^(2-)`
    D
    `HCO_(3)^(-)`

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