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NEET 2024
Exam
NEET
Year
2024
Subject
Chemistry
Chapter
Coordination Compounds

NEET 2024 · Chemistry · Coordination Compounds

Given below are two statements : Statement I : [Co(NH_3)_6]^ 3+ is...

Given below are two statements : Statement I : [Co(NH3)6]3+\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+} is a homoleptic complex whereas \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}is a heteroleptic complex. Statement II : Complex [Co(NH3)6]3+\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+} has only one kind of ligands but \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}has more than one kind of ligands. In the light of the above statements, choose the correct answer from the options given below.

Options

  1. ABoth Statement I and Statement II are false
  2. BStatement I is true but Statement II is false
  3. CStatement I is false but Statement II is true
  4. DBoth Statement I and Statement II are true

Correct answer

D. Both Statement I and Statement II are true

Step-by-step solution

\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}isahomolepticcomplexasonlyonetypeofligandsis a homoleptic complex as only one type of ligands\left(\mathrm{NH}_3\right)iscoordinatedwithis coordinated with\mathrm{Co}^{3+}ion.Whileion. While\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}is a heteroleptic complex in which Co3+\mathrm{Co}^{3+} ion is ligated with more than one type of ligands, i.e., NH3\mathrm{NH}_3 and Cl−\mathrm{Cl}^{-}.
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