In which of the following reaction(s) H(...

In which of the following reaction(s) `H_(2)O_(2)` can convert the underlined atom into the prodit with idon =+6 ?

`CrCl_(3)+H_(2)O_(2)+OH^(-) to `

`K_(2)Cr_(2)O_(7) +H_(2)O_(2)+H_(2)SO_(4) to`

`SO_(2)+H_(2)_(2)+OH^(-) to `

`H_(2)O_(2)+Na_(3)AsO_(3)+OH^(-) to`

Verified by Experts

The correct Answer is:

A, B, C, D

(A) `CrCl_(3) to Na_(2)CrO_(4)`
(B) `K_(2)Cr_(2)O_(7) to CrO_(5)`
(C) `SO_(2) to SO_(4)^(-)`

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