JEE Main · ChemistryMedium
Consider the complex ion . Which of the following statements regarding its isomerism is correct?
- A.It exhibits both geometrical and optical isomerism.
- B.Only the trans-isomer is optically active.
- C.It shows only geometrical isomerism but no optical isomerism.
- D.The cis-isomer is achiral due to a plane of symmetry.
Show correct answer & step-by-step solution
Correct answer: A — It exhibits both geometrical and optical isomerism.
Solution
- The complex exists in cis and trans geometrical forms.
- The trans-isomer has a plane of symmetry and is achiral.
- The cis-isomer lacks a plane of symmetry and exists as a pair of non-superimposable mirror images.
- Hence the complex exhibits both geometrical and optical isomerism.
- Hence the answer is (A).
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