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A metal X on heating in nitrogen gas giv...

A metal X on heating in nitrogen gas gives `Y,Y` on treatment with `H_(2)O` gives a colourless gas which when passed through chloroplatinic acid produces yellow precipitate `'Y'` is `:`

A

`Mg(NO_(3))_(2)`

B

`Mg_(3)N_(2)`

C

`NH_(3)`

D

`MgO`

Text Solution

Verified by Experts

The correct Answer is:
2
`underset((X))(3Mg+N_(2))rarrunderset((Y))(Mg_(2)N_(2))`
`Mg_(3)N_(2)+6H_(2)Orarr 3Mg(OH)_(2)+2NH_(3)`
`H_(2)[PtCl_(6)]+2NH_(3)rarr(NH_(4))_(2)[PtCl_(6)]darr("yellow")`
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