COORDINATION CHEMISTRY-3

The common features among species CN^-, CO, NO⁺ are

• Bond order 3

• Isoelectronic

• All are σ donor and π acceptor

• All

Which of the following orbitals can participate in bonding in non-classical compound?

• π

• σ

• d orbitals

• All

As a ligand CH₃^- is

• σ donor

• σ donor and π donor

• π donor

• σ donor and π acceptor

Which one of the following is a correct representation of tetraamine nickel(II) hexacyano ferrate(III)

• [Ni(NH₃)₄][Fe(CN)₆]

• [Ni(NH₃)₄][Fe(CN)₆]₄

• [Ni(NH₃)₄][Fe(CN)₆]₂

• [Ni(NH₃)₄]₃[Fe(CN)₆]₂

Which of the following can't act as a chelating ligand?

• HC(CH₂CH₂NH₂)₃

• CH₃NHCH₂CH₂CH₃

• N(CH₂CH₂NH₂)₃

• H₂NCH₂CH₂CH₂NH₂

IUPAC name of [Co(NH₃)₄(H₂O)Br](NO₃)₂

• Bromoaquotetraaminecobal(III)nitrate

• Bromoaquotetraaminocobalt(III)nitrate

• Tetraamineaquabromocobal(II)nitrate

• Tetraamineaquabromocobal(III)nitrate

NH₃ as a ligand in neutral, acidic and basic medium respectively act as

• Monodentate, monodentate, monodentate

• Monodentate in neutral and acidic medium and bidentate in basic medium

• Monodentate in neutral medium and no denticity in acidic and basic medium

• Monodentate in neutral and basic medium and no denticity in acidic medium

Which kind of isomerism is exhibited by octahedral Co(NH₃)₄Br₂Cl?

• Geometrical

• Ionisation

• Both (a) and (b)

• None

Both geometrical and optical isomerism are shown by

• [Co(en)₂Cl₂]⁺

• [Co(NH₃)₅Cl]⁺²

• [Co(NH₃)₄Cl₂]⁺

• [Cr(ox)₃]^-3

The complexes [Co(1,2-diaminopropane)₂Cl₂]⁺ and [Co(1,3-diaminopropane)₂Cl₂]⁺ represent an example of

• Ligand isomerism

• Linkage isomerism

• Ionization isomerism

• Coordination isomerism