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Solution


Q.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): The total number of geometrical isomers shown by [Co(en)2Cl2]+ complex ion is three.

Reason (R): [Co(en)2Cl2]+ complex ion has an octahedral geometry.

In the light of the above statements, choose the most appropriate answer from the options given below:                           [2024]
1 (A) is correct but (R) is not correct.  
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).  
3 (A) is not correct but (R) is correct.  
4 Both (A) and (R) are correct but (R) is not the correct explanation of (A).  

Ans.

(3)

      [Co(en)2Cl3]+ has two geometrical isomers, cis and trans, and having octahedral geometry as its C.N. = 6.