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JEE Main 202329 JanuaryMorning Shift
Exam
JEE Main
Year
2023
Date
29 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Coordination Compounds

JEE Main 2023 · 29 January · Morning Shift · Chemistry · Coordination Compounds

Chiral complex from the following is : Here en = ethylene diamine

Chiral complex from the following is :
Here en = ethylene diamineChiral complex from the following is : Here en = ethylene diamine

Options

  1. Acis −[PtCl2(en)2]2+- {\left[{PtCl}_{2} ( en{)}_{2}\right]}^{2 +}
  2. Btrans −[PtCl2(en)2]2+- {\left[{PtCl}_{2} ( en{)}_{2}\right]}^{2 +}
  3. Ccis $- \left[{PtCl}_{2}{\left({NH}_{3}\right)}_{2}\right]
  4. Dtrans −[ Co (NH3)4Cl2]+- {\left[\text{ Co }{\left({NH}_{3}\right)}_{4}{Cl}_{2}\right]}^{+}

Correct answer

A. cis −[PtCl2(en)2]2+- {\left[{PtCl}_{2} ( en{)}_{2}\right]}^{2 +}

Step-by-step solution

Here en = ethylene diamine

Chiral complex from the following is : Here en = ethylene diamine

[PtCl2(en)2]2+ forms cis and trans-isomers. Only the cis-isomers has no element of symmetry. So it is optically active. Trans - [PtCl2(en)2]2+ form is optically inactive. Square planar complexes doesn't exhibit optical isomerism.

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