1.

The co-ordination number and the oxidation state of the element .M. in the complex [M(en)_2(C_2O_4)] NO_2 {where (en) is ethan-1, 2-diamine} are respectively

Answer»

6 and 3
6 and 2
4 and 2
4 and 3

Solution :(a) For the GIVEN COORDINATE compound, `[M(en)_2(C_2O_4)]NO_2`
(i) All the (3) lignnds are bi dented thus is coordinate NUMBER - 6
`X+0+2 xx (-2) = 0 -1`
`THEREFORE` x(Oxidation number ofM) = +3
`therefore` Option (a) is the correct answer.


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