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Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers: (i). `K[Cr(H_2O)_2C_2O_3)_2]` (ii). `[Co(en)_3]Cl_3` (iii). `[Co(NH_3)_5(NO_2)](NO_3)_2` (iv). `Pt[(NH_3)(H_2O)Cl_2]` |
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Answer» (i). `K[Cr(H_2O)_2(C_2O_4)_2]` is of `[M(AA)_2b_2]^(n+-)` type it shows both geometrical isomers (cis and trans) (ii). `[Co(en)_3Cl_3` is of `[M(AA)_3]^(n+-)` type it shows optical isomers (d- and l-) of cis. (iii). There are 2 ionisation and 2 linkage isomers. Compounds of `[Ma_5b]^(n+-)` type neither shows geometrical nor optical isomers. Ionisation isomers: `[Co(NH_3)_5(NO_2)](NO_3)_2` `[Co(NH_3)_5(NO_3)](NO_3)(NO_2)` Linkage isomers: `[Co(NH_3)_5(NO_2)](NO_3)_2,[Co(NH_3)_5(ONO)](NO_3)_2` (iv). `Pt[(NH_3)(H_2O)Cl_2]` is of `[Ma_2Bc]^(n+-)` type It shows geometrical isomers (cis and trans) |
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