CBSE
Multiple Choice QuestionsWhich of the following is diamagnetic?
[Cu(NH3)4]2+
[NiCl4]2-
[PtCl4]2-
[Cu(H2O)4]2+
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.
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.
The wavelength of light absorbed is highest in
[Co(NH3)5Cl]2+
[Co(NH3)5H2O]3+
[Co(NH3)6]3+
[Co(en)3]3+
Amongst the following, the most stable complex is
[Fe(H2O)6]3+
[Fe(NH3)6]3+
[Fe(C2O4)3]3-
[FeCl6]3-
Which of the following complexes do not follow EAN rule ?
[Fe(CN)6]4-
[Fe(CN)6]3-
Ni(CO)4
[PdCl4]2-
Which of the following compounds is not chiral?
1-Chloropentane
2-Chloropentane
1 -Chloro-2-methylpentane
3-Chloro-2-methylpentane
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.
Assertion : [Fe(H2O)5NO]SO4 is paramagnetic.
Reason : The Fe in [Fe(H2O)5NO]SO4 has 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.
Which of the following metal ion forms unstable complex with CN-?
Ag(I)
Zn(II)
Cu(II)
Cr(II)
