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Number of stereoisomers possible for the complexes, [ CrCl ₃( py )₃ ] and [ CrCl ₂( ox )₂ ]³⁻ are respectively ( py = pyridine, ox = oxalate)

Options

  1. A3 & 3
  2. B2 & 2
  3. C2 & 3
  4. D1 & 2

Correct answer

C. 2 & 3

Step-by-step solution

So total stereo isomer =2 Geometrical isomer =2(1 cis +1 trans ) Optical isomer =3 ( 2 optically active +1 optically inactive) Stereoisomer =3

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