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In the reaction 2BaO(2) rarr 2BaO +O(2) ...

In the reaction `2BaO_(2) rarr 2BaO +O_(2)` the oxidation number of Barium

A

Decreases from `+4` to `+2`

B

Decreases from `+2` to `0`

C

Increases from `-4` to `-2`

D

Does not change

Text Solution

Verified by Experts

The correct Answer is:
D
`2overset(+2)(Ba)O_(2) rarr 2overset(+2)(Ba)O+O_(2)`
`2KMnO_(4) +16HCl rarr`
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