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KMnO(4) overset(H^(+) + R.A)to Mn^(x) ...

`KMnO_(4) overset(H^(+) + R.A)to Mn^(x)`
`KMnO_(4) overset(OH^(-) + R.A) to Mn^(y)`
`K_(2)Cr_(2)O_(7) overset(OH^(-)) to Cr^(z)`
x+y+z is:
(here x,y and z are oxidation states).

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The correct Answer is:
A, D
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