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(NH(4))(2)Cr(2)O(7) on heating gives a g...

`(NH_(4))_(2)Cr_(2)O_(7)` on heating gives a gas which is also given by :

A

heating `NH_(4)NO_(2)`

B

heating `NH_(4)NO_(3)`

C

treating `Mg_(3)N_(2)` with water

D

heating `H_(2)O_(2) and NaNO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(NH_(4))_(2)Cr_(2)O_(7) overset(Delta)rarr Cr_(2)O_(3)+N_(2)+H_(2)O`
`NH_(4)NO_(2)overset(Delta)rarr N_(2)+H_(2)O`
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