1.

An element of I^(st) transition series X^(+3) have highest magnetic moment in series and X^(+2) have non mangnetic nature as low spin complex. If atomic number of X is 'a' and number of unpaired e^(-) in free state X^(+2) and X^(+3) is 'b' and 'c' then calculate a+b+2c.

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ANSWER :B::D


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