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QUESTION
Q78) In the reaction
2Na2S2O3 + I2 → Na2S4O6 + 2NaI
the equivalent weight of Na2S2O3( mol.wt=M) is equal to.. [ EAMCET 1993]




SOLUTION

Oxidation state of S changed by 1 in reaction thus equivalent wt=mol.wt=M
Answer: (a)