Question

Number of possible isomers for the complex [Co(en)₂Cl₂]Cl
will be (en = ethylenediamine) [2015 RS]
(a) 2 (b) 1
(c) 3 (d) 4

Answer 1

The total number of possible isomers for the complex [Co(en)₂Cl₂]Cl  will be 3.

Option (c) is correct.

Explanation:

Possible number of isomers:

• (1) Geometrical isomers
• Geometrical isomers are formed due to the difference in relative position of the ligands attached to the central metal atom with respect to each other.
• (2) In trans form plane of symmetry present, so trans form is optically inactive but cis is optically active.
• Total number of stereo isomer = 2 + 1 = 3

Thus the total number of possible isomers for the complex [Co(en)₂Cl₂]Cl

will be 3.

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