NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

1 Hard

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Analyzing +4 | -1

Which one of the following has largest number of isomers?
(R

=

alkyl group, en

=

ethylenediamine)

View answer and explanation

Correct option: D

{\left[ {\mathrm{CO}{{\left( {\mathrm{en}} \right)}_2}\mathrm{C}{\mathrm{l}_2}} \right]^ + }

Option D is correct because

{\left[ {\mathrm{CO}{{\left( {\mathrm{en}} \right)}_2}\mathrm{C}{\mathrm{l}_2}} \right]^ + }

exhibits both geometrical (cis-trans) and optical isomerism, leading to a larger number of isomers.

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