Which of the following has the largest number of isomers? .A. (a) `[Co(en)_2Cl_2]^(+)`B. (b) `[Co(NH_3)_5Cl]^(2+)`C. (c) `[Ir(PR_3)_2H(CO)]^(2+)`D. (d) `[Ru(NH_3)_4Cl_2]^(+)`

Which of the following has the largest number of isomers? .A. (a) `[Co

1.	Which of the following has the largest number of isomers? .A. (a) `[Co(en)_2Cl_2]^(+)`B. (b) `[Co(NH_3)_5Cl]^(2+)`C. (c) `[Ir(PR_3)_2H(CO)]^(2+)`D. (d) `[Ru(NH_3)_4Cl_2]^(+)`
Answer» Correct Answer - A `[Co(en)_2Cl_2]^(+)` shows geometrical as well as optical isomerism.

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Which of the following has the largest number of isomers? .A. (a) `[Co(en)_2Cl_2]^(+)`B. (b) `[Co(NH_3)_5Cl]^(2+)`C. (c) `[Ir(PR_3)_2H(CO)]^(2+)`D. (d) `[Ru(NH_3)_4Cl_2]^(+)`

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