Question

How many geometrical isomers are possible in the following coordination entities? (i) [Cr(C2O4)3]3− (ii) [Co(NH3)3Cl3]

Answer 1

Ans. (i) [Cr(C2O4)3]3-. No geometrical isomerism is shown. (ii) Two isomers are possible for [Co(NH3)3Cl3]

Two isomers are possible for [Co(NH3)3Cl3] Note. 1, 2, 3,-position is called cis isomer while position 1, 2, 6 is called as trans isomer. In cis-form, similar groups occupy the corners of one of the octahedral faces and hence is called facial or face-isomer.

Answer 2

Explanation:

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