1.

Coordination number, oxidation state and number of isomers in K_(3)[Cr(C_(2)O_(4))_(3)] are respectively :

Answer»

6, `+3`, 2
4, `+2` and 2
3, `+3`, 3
3, 0 and 3

Solution :`OVERSET(+3)K_(3)[overset(+3)Cr(C_(2)overset(-6)O_(4))_(3)]`
`IMPLIES C.N.= 6, O.S. = +3, M(A A)_(3)(Op. active) = 2`


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