1.

21(ds de(ii) During oxidation of ferrous sulphate using mixture of dil.H, SO4 and potassium dichromate; oxidation state ofchromium changes fromca) + 6 to + 26 + 6 to +3(c) + 6 to +1lett + 6 to + 4​

Answer»

ANSWER:

B) +6 to +3

Explanation:



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