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An inorganic white crystalline compound ...

An inorganic white crystalline compound (A) has a rock salt structrue (A) on reaction with con. `H_(2)SO_(4)` and `MnO_(2)` evolves a pungent smelling, greenish-yellow gas (B). Compound (A) gives white ppt. of (C) with `AgNO_(3)` solution. Compounds (A),(B) and (C) will be respectively

A

`NaCl, Cl_(2), AgCl`

B

`NaBr, Br_(2),NaBr`

C

`NaCl, Cl_(2),Ag_(2)SO_(4)`

D

`Na_(2)CO_(3),CO_(2),Ag_(2)CO_(3)`

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The correct Answer is:
A
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