How many of the following can show both structural isomerism and stereoisomerism? (i) triamminetrinitrito-N-cobalt(III); (ii) potassium tetrachloridoplatinate(II); (iii) tris(ethane-1,2-diamine)cobalt

Question

How many of the following can show both structural isomerism and stereoisomerism? (i) triamminetrinitrito-N-cobalt(III); (ii) potassium tetrachloridoplatinate(II); (iii) tris(ethane-1,2-diamine)cobalt(III) chloride; (iv) dichloridobis(ethane-1,2-diamine)cobalt(III) bromide; (v) tetrathiocyanato-S-zincate(II) ion; (vi) diamminedichloridoplatinum(II); (vii) diamminebis(thiocyanato-S)platinum(II)

TestHub · Accepted Answer

(i) has linkage isomers and fac/mer forms. (iv) has ionisation isomers and cis/trans forms. (vii) has linkage isomers and cis/trans forms. (ii) has neither, (iii) has only optical isomers, (v) only linkage isomers, and (vi) only stereoisomers. Count = 3.

Chemistry - Coordination Chemistry Question with Solution | TestHub

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