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Nitrogen gas is liberated by thermal dec...

Nitrogen gas is liberated by thermal decomposition of:

A

`NH_(4)NO_(2)`

B

`NaN_(3)`

C

`(NH_(4))_(2)Cr_(2)O_(7)`

D

all

Text Solution

Verified by Experts

The correct Answer is:
D
`[overset(-III)(NH_(4))overset(+III)(NO_(2))] overset(Delta)toN_(2)uarr+2H_(2)Ouarr`
`NaN_(3)overset(Delta)toNa+(3)/(2)N_(2)uarr`
`(NH_(4))_(2)Cr_(2)O_(7) overset(Delta)toN_(2)uarr+underset(("green"))(Cr_(2)O_(3))(s)+4H_(2)Ouarr`
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