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(NH(4))(2)Cr(2)O(7) on heating liberate...

`(NH_(4))_(2)Cr_(2)O_(7)` on heating liberates a gas. The same gas will be obtained by

A

Heating `NH_4 NO_2`

B

Heating `NH_4 NO_3`

C

Treating `H_2 O_2 ` with `NaNO_2`

D

Treating `Mg_3 N_2 ` with `H_2 O`

Text Solution

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The correct Answer is:
A
Properties of ionic solid
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