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Coordination Compounds

Question
CBSEENCH12007575
Wired Faculty App

Give the chemical formula for each of the following compounds:
(i) Potassium hexanitro cobaltate(III).
(ii) Potassium hexacyano cobaltate(III).
(iii) Ammonium trans-dichlorodiodo aurate(III).
(iv) Sodium pentacyano carbonyl ferrate(II).
(v) Diamminechlorido(methylamine)plantinum(II)
chloride.
(vi)Dichloridobis(ethane–1,2diamine)platinum(IV) nitrate

Solution

i) K3[Co(NO2)6]
ii)K3[Co(CN)6]
iii)(NH3)2[AuCl2I2]
iv)Na2[Fe(CN5)NO]
v) [Pt(NH3)2Cl(NH2CH3)]Cl
vi) PtCl2[(en)2](NO3)2

Some More Questions From Coordination Compounds Chapter

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.

Predict the number of unpaired electrons in the square planar [Pt(CN)4,]2– ion.

The hexaquo manganese(II) ion contains five unpaired electrons, while the hexacynoion contains only one unpaired electron. Explain using crystal field theory.

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