The correct option(s) regarding the complex [Co(en)(NH_3)_3(H_2O)]^ 3+ ( en=H_2NCH_2CH_2NH_2 ) is (are)

JEE Advanced 2018 Chemistry question

The correct option(s) regarding the complex () is (are)

(A)It has two geometrical isomersCorrect
(B)It will have three geometrical isomers if bidentate 'en' is replaced by two cyanide ligandsCorrect
(C)It is paramagnetic
(D)It absorbs light at longer wavelength as compared to Correct

Answer: (A),(B),(D)

Solution

(A) The complex is of type : the can be trans to one N of en or trans to an , giving 2 geometrical isomers: true. (B) is of type , which has 3 geometrical isomers: true. (C)

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Question ID VK-026772