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Priyanshu kumar Best Answer
NO2 is an ambidentate ligand. It can form a nitro - ( coordination through N) as well as a nitrito - ( coordination through O) complex.
yes sir ..
means 9 isomer possible?
Each combination has two geometrically isomeric , cis - and trans - , forms. The cis isomer in each case being dissymmetric has two enantiomeric forms. so for each combination 3 isomers possible.
so three combinations as you mentioned NO2-NO2, NO2-ONO and ONO-ONO... means 3×3=9
yes sir.