1.

Select the correct code about complex [Cr(NO_(2))(NH_(3))_(5)][ZnCl_(4)]: (I) IUPAC anem of compound is pentaamminenitrito-N-chromium (III) tetrachlorozincate (II) (II) it shows geometrical isomerism (III) It shows linkage isomerism (IV) it shows coordination isomerism

Answer»

III, IV
I, III, IV
II, III and IV
I, II, III and IV

Solution :(I) IUPAC name is Pentaamminetrito-N-chromium(III) tetrachlorozincate
(II) It does not exhibit geometrical isomerism.
(III) it SHOW linkage isomerism due to presence of AMBIDENTATE ligand `NO_(2)^(-)`
(IV) its coordination ISOMERS are:
`[CrCl(NH_(3))_(5)][ZnCl_(3)(NO_(2))],[CrCl_(2)(NH_(3))_(4)][ZnCl_(2)(NO_(2))NH_(3)]`
`[Zn(NO_(2))(NH_(3))_(3)][CrCl_(4)(NH_(3))_(2)]`


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