The coordination number and the oxidation state of the element �

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 Multiple Choice QuestionsMultiple Choice Questions

351.

The number of stereoisomers possible for a compound of the molecular formula CH3-CH =CH-(OH)-Me is

  • 3

  • 2

  • 4

  • 4

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352.

Which of the following pairs represents linkage isomers?

  • [Cu(NH3)4][PtCl4] and [Pt(NH3)4][CuCl4]

  • [Pd(PPh3)2(NCS)2] and [Pd(PPh3)2(SCN)2]

  • [CO(NH3)5NO3]SO4 and [CO(NH3)5SO4]NO3

  • [CO(NH3)5NO3]SO4 and [CO(NH3)5SO4]NO3

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353.

The coordination number and the oxidation state of the element ‘E’ in the complex [E(en)2(C2O4)]NO2 (where(en) is ethylene diamine) are, respectively,

  • 6 and 2

  • 4 and 2

  • 4 and 3

  • 4 and 3


D.

4 and 3

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354.

In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of ∆o be the highest?

  • [Co(CN)6]3−

  • [Co(C2O4)3]3−

  • [Co(H2O)6]3+

  • [Co(H2O)6]3+

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355.

The absolute configuration of 

  • S,S

  • R,R

  • R,S

  • R,S

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356.

Which one of the following has a square planar geometry?

  • [CoCl4]2-

  • [FeCl4]2–

  • [NiCl4] 2–

  • [NiCl4] 2–

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357.

Which of the following molecules is expected to rotate the plane of plane-polarised light?

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358.

In which of the following ionization processes, the bond order has increased and the magnetic behaviour has changed?

  • C2 → C2+

  • NO → NO+

  • O2 → O2+

  • O2 → O2+

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359.

Which one of the following conformation of cyclohexane is chiral?

  • Twist boat

  • Rigid

  • chair

  • chair

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360.

Which of the following species exhibits the diamagnetic behaviour?

  • O22–

  • O2+

  • O2

  • O2

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