Question No:1
Select the correct statement.
[A] Geometrical isomer may differ in dipole moment and visible/UV spectra.
[B] Complexes of the type [Ma3b3] can also have facial(fac) and meridional(mer) isomer.
[C] No optical isomer exists for the complex trans-[Co(en) 2Cl2]+.
[D] All of these.
Question No:2
Which of the following coordination compounds would exhibit optical isomerism?
[A] pentamminenitrocobalt(III) iodide
[B] diamminedichloroplatinum(II)
[C] trans-dicyanobis(ethylenediamine) chromium(III) chloride
[D] tris-(ethylendiamine) cobalt(III) bromide
Question No:3
Trien is
[A] Hexa dentate, Mono anionic
[B] tetradentate, neutral
[C] tetradentate, dianion
[D] Mono dentate, anion
Question No:4
Which of the following is diamagnetic complex
[A] [Co(OX) 3] 3–, [Fe(CN) 6] 3–
[B] [Co(Ox) 3] 3–, [FeF6] 3–
[C] [Fe(Ox3)3–, [FeF ] 3–
[D] [Fe(CN) 6]3-, [CoF6 ] 3–
Question No:5
Which of the following can be reduce easily
[A] V(CO) 6
[B] Mo(CO) 6
[C] [Co(CO) 4] –
[D] Fe(CO) 5
Question No:6
The Hybridisation and magnetic behavior of complex [Ni(CO)4] is :
[A] dsp2, paramagnetic
[B] dsp2, diamagnetic
[C] sp3, paramagnetic
[D] sp3, diamagnetic
Question No:7
Which of the following complex is optically inactive?
[A] [RhCl(CO)(PPh3 )(NH3 )]
[B] [Fe(CO)] 3–
[C] [Fe(en)2Cl2]
[D] [Pd(en)2Cl2]
Question No:8
Correct increasing order for the wavelength of absorption in the visible region for the complexes of Co3+ is:
[A] [Co(CN6) 3- –, [Co(NH3) 6]3+, [Co(NH 3)5 (H2O)] 3+ [Co(NH 3) 5 Cl] +2
[B] [Co(CN)6]3–, [Co(NH 3)5 (H2 O)] 3+ [Co(NH 3)5 Cl] +2 [Co(NH3 ) 6] 3+
[C] [Co(NH3)6] 3+,[Co(CN) 6] 3–, [Co(NH3 ) 5 (H2 O)] 3+ [Co(NH3 ) 5Cl] +2
[D] [Co(NH3 ) 5Cl] +2 , [Co(NH3) 5 (H2 O)] 3+, [Co(NH3)6 ] 3+, [Co(CN) 6]
Question No:9
Which of the following complexes has maximum CFSE?
[A] K3[Fe(CN)6]
[B] K3[Co(Ox)3]
[C] K3[CoF6]
[D] K3[Co(CN)6]
Question No:10
In Fe(CO) 5Cr(CO)6, how many CO ligands can be replaced by NO?
[A] 3, 3
[B] 3, 6
[C] 6, 3
[D] 2, 4
Question No:11
Assertion : NF3 is a weaker ligand than N(CH3)3.
Reason : NF3 ionizes to give F– ions in aqueous solution.
[A] If both the assertion and reason are true and reason explains the assertion
[B] If both the assertion and reason are true but reason does not explain the assertion
[C] If assertion is true but reason is false
[D] If assertion is false but reason in true
[E] Both Assertion and Reason are false
Question No:12
Assertion:The[Ni(en)3]Cl2(en = ethylenediamine) has lower stability than [Ni(NH3)6]Cl2.
Reason : In [Ni(en)3]Cl2the geometry of Ni is trigonal bipyramidal.
[A] If both the assertion and reason are true and reason explains the assertion
[B] If both the assertion and reason are true but reason does not explain the assertion
[C] If assertion is true but reason is false
[D] If assertion is false but reason in true
[E] Both Assertion and Reason are false
Question No:13
Assertion:[Co(NO2)3(NH3)3] does not show optical isomerism
Reason : It has a plane of symmetry.
[A] If both the assertion and reason are true and reason explains the assertion
[B] If both the assertion and reason are true but reason does not explain the assertion
[C] If assertion is true but reason is false
[D] If assertion is false but reason in true
[E] Both Assertion and Reason are false
Question No:14
Assertion : C – O bond in metal carbonyl is long.
Reason : There is delocalisation of electrons from filled d orbitals into the empty orbitals on the CO ligands.
[A] If both the assertion and reason are true and reason explains the assertion
[B] If both the assertion and reason are true but reason does not explain the assertion
[C] If assertion is true but reason is false
[D] If assertion is false but reason in true
[E] Both Assertion and Reason are false
Question No:15
Assertion : In high spin situation, configuration of d5 ions will be t3 2g e 2 g .
Reason : In high spin situation, pairing energy is less than crystal field energy.
[A] If both the assertion and reason are true and reason explains the assertion
[B] If both the assertion and reason are true but reason does not explain the assertion
[C] If assertion is true but reason is false
[D] If assertion is false but reason in true
[E] Both Assertion and Reason are false
Coordinate Compound Mock Exam-23
CategoriesNEET Chemistry