(જ્યાં, $AA-$ સમમિતિય દ્વિદંતીય લિગાન્ડ અને $a,b,c,d,e-$ એકદંતીય લિગાન્ડ)
\(\left[ Ma _3 b _3\right]^{ n\pm }:\) No. of space/ stereoisomers \(=2\)
\(\left[ Ma b _{ b c l}\right]^{ n\pm }:\) No. of space/ stereoisomers \(=5\)
\(\left[ Ma _2 bcde \right]^{ n \pm}:\) No. of space/ stereoisomers \(=5\).
$(I)\, [(Ph_3P)_2PdCl_2PdCl_2]$ $(II)\,[NiBrCl(en)]$
$(III)\, Na_4 [Fe(CN)_5 NOS]$ $(IV)\, Cr(CO)_3(NO)_2$
$(I)\,-\,(II)\,-\,,(III)\,-\,(IV)$