1.

How many compound(s) or iron (s) can be oxidised by H_(2)O_(2) among the following (i) AsO_(3)^(2) (ii) SO_(4)^(2-) (iii) Fe_(2) (SO_(4))_(3) (iv) NH_(2) - NH_(2) (v) H_(2)S (vi) PbS (vii) O_(3)

Answer»


ANSWER :4(I, IV, V and VI)


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