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Which of the following componds does not...

Which of the following componds does not evolve oxygen when heated alone ?

A

`KClO_3`

B

`KMnO_4`

C

`NH_4 NO_2`

D

`KNO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`NH_4 NO_2 overset(Delta) rarr N_2 + 2H_2 O`
`2 KClO_3 overset(Delta) rarr 2 KCl + 3O_2`
`2 KMnO_4 overset(Delta) rarr K_2 MnO_4 + MnO_2 + O_2`
`2 KNO_3 overset(Delta) rarr 2 KNO_2 + O_2`.
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