Important Questions of Coordination Compounds Chemistry | Zigya

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251.

Which of the following compounds is not chiral?

  • 1-Chloropentane

  • 2-Chloropentane

  • 1 -Chloro-2-methylpentane

  • 3-Chloro-2-methylpentane


252.

Amongst the following, the most stable complex is

  • [Fe(H2O)6]3+

  • [Fe(NH3)6]3+

  • [Fe(C2O4)3]3-

  • [FeCl6]3-


253.

Assertion : Linkage isomerism arises in coordination compounds containing ambidentate ligand.

Reason: Ambidentate ligand has two different donor atoms.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


254.

Which of the following complexes do not follow EAN rule ?

  • [Fe(CN)6]4-

  • [Fe(CN)6]3-

  • Ni(CO)4

  • [PdCl4]2-


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255.

Which of the following metal ion forms unstable complex with CN-?

  • Ag(I)

  • Zn(II)

  • Cu(II)

  • Cr(II)


256.

Assertion : EDTA forms complex with divalent metals of 3d-series in the ratio of 1:1.

Reason: EDTA has 4-COOH groups.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


257.

Assertion : In a mixture of Cd(II) and Cu(II),Cd2+ gets precipitated in presence of KCN by H2S.

Reason : The stability constant of [Cu(CN)4]3- is greater than [Cd(CN)4]2-.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


258.

Assertion : [Fe(H2O)5NO]SO4 is paramagnetic.

Reason : The Fe in [Fe(H2O)5NO]SOhas three unpaired electrons.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


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259.

The wavelength of light absorbed is highest in

  • [Co(NH3)5Cl]2+

  • [Co(NH3)5H2O]3+

  • [Co(NH3)6]3+

  • [Co(en)3]3+


260.

Which of the following is diamagnetic?

  • [Cu(NH3)4]2+

  • [NiCl4]2-

  • [PtCl4]2-

  • [Cu(H2O)4]2+


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