1.

For the reaction, M^(2+) + MnO_(4)^(-) rarr MO_(3)^(-) + Mn^(+2) + ( 1)/( 2) O_(2) if one mole of MnO_(4)^(-) oxidizes 1.67 mole of M^(+x) to MO_(3)^(-) , then the value of x in the metal ion is

Answer»

5
3
2
1

Answer :C


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