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Coordination Compounds

Question
CBSEENCH12011350
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Which of the following will give a pair of enantiomorphs?
(en = NH2CH2CH2NH2)

  • [Co(NH3)Cl2]NO2

  • [Cr(NH3)6]Co(CN)6]

  • [Co(en)2Cl2]Cl

  • [Pt(NH3)][PtCl6]

Solution

C.

[Co(en)2Cl2]Cl

Enantiomorphs or Enantiomers: A Pair of molecules related to each other as an object to its mirror image are known as enantiomorphs or enantiomers. These are not superimposable on its mirror image.
The example is [Co(en)2Cl2]+
Dichlorobis [etylene diamine] cobalt (III)

Some More Questions From Coordination Compounds Chapter

Write the formula for the following coordination compound:
Tetraaminediaquacobalt(lll)chloride

Write the formula for the following coordination compound:
Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:
Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:
Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:
Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:
Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:
(i)    K[Cr(H2O)2(C2O4)2],                      (ii) [Co(en)3Cl3,
(iii) [Co(NH3)5(NO2)]|NO3]2,                 (iv) [Pt(NH3)(H2O)Cl2]

Explain on the basis of valence bond theory that [Ni(CN)4]2–  ion with square planar is diamagnetic and the [NiCl4]2– ion with tetrahedral geometry is paramagnetic.

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