this is ppt of coordination quiz solve all question solution video available in youtube
link of solution video is
https://youtu.be/u-nPDRGexbQ
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coordination quiz 1 ||crystal field theory
1.
2. Ag3+ is exist because
a. High crystal field splitting energy and low John teller distortion of Ag2+
b. Low crystal field splitting energy and low John teller distortion of Ag2+
c. High crystal field splitting energy and high John teller distortion of Ag2+
d. Low crystal field splitting energy and high John teller distortion of Ag2+
6. The complex that absorbs light of shortest
wavelength is
(a)[CoF6 ] 3–
(b)[Co(H2O)6 ] 3+
(c)[Co(NH3 ) 6 ] 3+
(d)[Co(OX)3 ] 3–
7. AgF is white but AgCl AgBr coloured why
a. AgF and AgCl is covalent
b. AgCl is ionic AgF is covalent
c. Covalent nature of AgF is grater than AgCl
d. Covalent nature of AgCl is grater than AgF
8. The complex [Mn(H2O)6 ] 2+ has very light pink
colour. The best reason for it is
(a)The complex does not have a charge transfer transition.
(b) d-d transition here are orbital forbidded but spin allowed
(c) d-d transition here are orbital allowed but spin forbidden.
(d) d-d transition here are both orbital forbidden and spin
forbidden.
9. The coordination number of geometry of
cerium in [Ce(NO3 ) 6 ] 2– are respectively,
(a)6 and octahedron
(b)6 and trigonal prism
(c) 8 and cubic
(d)12 and icosahedron
10. If L is a neutral monodentate ligand, the species [AgL4]2+,
[AgL6 ]2+ and [AgL4 ]3+ respectively are
(a)paramagnetic, paramagnetic and diamagnetic
(b)paramagnetic, diamagnetic and paramagnetic
(c)diamagnetic, paramagnetic and diamagnetic
(d)paramagnetic, diamagnetic and diamagnetic
11. [CoL6 ] 3+ is red in colour where as [CoL’6 ] 3+ is
green. L and L’ respectively corresponds to
(a)NH3 and H2O
(b)NH3 and 1, 10-phenanthroline
(c)H2O and 1, 10-phenanthroline
(d)H2O and NH3
12. Identify the correct statement about [Ni(H2O)6 ] 2+ and
[Cu(H2O)6 ] 2+
(a)All Ni-O and Cu-O bond lengths of individual species are equal
(b)Ni-O(equatorial) and Cu-O(equatorial) bond lengths are shorter than Ni-O
(axial) and Cu-O(axial) ones respectively
(c)All Ni-O bond lengths are equal whereas Cu-O (equatorial) bonds are shorter
than Cu-O(axial) bonds
(d)All Cu-O bond lengths are equal whereas Ni-O(equatorial) bonds are shorter
than Ni-O(axial) bonds.
13. Identify which have more intence colour
A.[FeF6]3-
B.[CoCl4]2-
C.[MnCl4]2-
D.[ZnCl4]2-
14. The ion (I) CrO4
2- , (II) MnO4
- , (III) FeO4
2- The charge transfer
energy for the complexes and type of transition respectively are
(a)I > II > III and MLCT
(b)III > II > I and LMCT
(c)III > II > I and MLCT
(d)I > II > III and LMCT
15. Total number of isomer are in given compound
a) [CoNH3CN NO2PPh3]
b)[CoNH3)4No2CN]
c) [Fe(en)2Cl2]
d)[(NH3 ) 2Ni(CN)2 ]
NAT type
16. Identify the order representing increasing pi-acidity of the
following ligands C2 F4 , NEt3 , CO and C2H4
(a)CO < C2 F4 < C2H4 < NEt3
(b)C2 F4 < C2H4 < NEt3 < CO
(c)C2H4 < NEt3 < CO < C2 F4
(d)NEt3 < C2H4 < C2 F4 < CO
17. The deltat of the following complexes follows
the order
(A)[CoCl4 ] 2–
(B) [CoBr4 ] 2–
(C)[Co(NCS)4 ] 2–
(a) C > A > B
(b) A > B > C
(c) B > A > C
(d) C > B > A
18.
19.
20. Total number of isomer are in given compound
a) [CoNH3CN NO2PPh3]
b)[CoNH3)4NO2CN]
c) [Fe(en)2Cl2]
d)[(NH3 ) 2Ni(CN)2 ]