10.
Which of the following reaction is a redox reaction ?
(A) 4H3PO4 + H+ → PH*4 + 3H3PO3
(C) H2SO3 + 2H,S → 3S + 3H,O
(B) HSO, + H20 → H3O* + SO,2- (D) HCIO4 + P205 → H3PO, + Cl,07
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