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STD 12 - 5. Co-ordination chemistry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 5. Co-ordination chemistry4 Marks
MCQ
Three arrangement, are shown for the complex $[CoBr_2(NH_3)_2(en)]^{\oplus}$.  Which one is wrong statement?
  • A
    $I$ and $II$ are geometrical isomers
  • ✓
    $II$ and $III$ are optically active isomers
  • C
    $I$ and $III$ are optically active isomers
  • D
    $II$ and $III$ are geometrical isomers
✓

Answer

Correct option: B.
$II$ and $III$ are optically active isomers
b
$(b)\, II$ and $III$ are geometrical isomers as $II$ is trans while $III$ is $cis$ of the given complex. 

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