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NEET 2017
Exam
NEET
Year
2017
Subject
Chemistry
Chapter
Coordination Compounds

NEET 2017 · Chemistry · Coordination Compounds

Pick out the correct statement with respect to [ Mn ( CN ) _ 6 ] ^...

Pick out the correct statement with respect to [Mn(CN)6]3−.[ Mn ( CN{)}_{6}{]}^{3 -} .Pick out the correct statement with respect to [ Mn ( CN ) _ 6 ] ^ 3 - .Pick out the correct statement with respect to [ Mn ( CN ) _ 6 ] ^ 3 - .

Options

  1. AIt is sp3d2{sp}^{3}{d}^{2} hybridised and octahedral.
  2. BIt is sp3d2{sp}^{3}{d}^{2} hybridised and tetrahedral.
  3. CIt is d2sp3{d}^{2}{sp}^{3} hybridised and octahedral.
  4. DIt is dsp2{dsp}^{2} hybridised and square planar.

Correct answer

C. It is d2sp3{d}^{2}{sp}^{3} hybridised and octahedral.

Step-by-step solution

[Mn(CN)6]3−{\left[Mn{\left(CN\right)}_{6}\right]}^{3 -}

Mn(III)=[Ar]3d4Mn\left(III\right) = \left[Ar\right]3{d}^{4}

CN−{CN}^{-} being strong field ligand forces pairing of electrons.

This gives t2g4eg0{t}_{2g}^{4}{e}_{g}^{0}

Pick out the correct statement with respect to [ Mn ( CN ) _ 6 ] ^ 3 - .

∵∵The coordination number of Mn=6Mn = 6

∴∴ Structure=octahedral

[Mn(CN)6]3−={\left[Mn{\left(CN\right)}_{6}\right]}^{3 -} =

Pick out the correct statement with respect to [ Mn ( CN ) _ 6 ] ^ 3 - .
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