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H2O2 in basic medium shows which of the ...

`H_2O_2` in basic medium shows which of the following reaction
A `Mn^(2+) to Mn^(4+)`
B `I_2 to I^-`
`PbS to PbSO_4`

A

A & B

B

A only

C

B & C

D

B only

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