Given below are two statements:
Assertion (A): The total number of geometrical isomers shown by complex ion is three.
Reason (R): complex ion has an octahedral geometry.
Choose the most appropriate

Question

Given below are two statements:
Assertion (A): The total number of geometrical isomers shown by  complex ion is three.
Reason (R):  complex ion has an octahedral geometry.
Choose the most appropriate answer:

Canvas Classes · Accepted Answer

Strategy:
 Analyze the geometry and isomer counts of  type complexes.

Step 1: Evaluate Reason (R)
The complex  contains the  ion bonded to two bidentate  ligands (4 bonds) and two monodentate  ligands (2 bonds). This gives a coordination number of 6, resulting in an octahedral geometry.
Reason (R) is correct.

Step 2: Evaluate Assertion (A)
In an octahedral geometry, an  complex exists in two geometrical forms:
1. cis-isomer: The two  ligands are adjacent ( apart). (Note: This form is chiral an

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