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Co-ordination-chemistry-quiz ANSWERS




A magnetic moment of 1.73 BM will be shown by one among the following [NEET 2013]
👌
[Cu(NH3)4]2+
[Ni(CN)4]2–
TiCl4
[CoCl6]4–
Question 2
An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of AgCl precipitated would be [NEET 2013]
👌
0.001
0.002
0.003
0.01
Question 3
In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic? [NEET 2013]
N2  N2+
O2  O2+
C2  C2+
👌
NO  NO+
Question 4
A complex compound in which the oxidation number of a metal is zero is
K4 [Fe (CN)6]
K3 [Fe (CN)6]
👌
[Ni (CO)4]
[Pl (NH3 )4]Cl2
Question 5
A ligand can also be regarded as
Lewis acid
Bronsted base
👌
Lewis base
Bronsted acid
Question 6
A solution containing 2.675 g of CoCl3 · 6NH3 (molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol–1). The formula of the complex is
(At. Mass of Ag = 108 u)
👌
[Co(NH3)6]Cl3
[CoCl2(NH3)4]Cl
[CoCl3(NH3)3]
[CoCl(NH3)5]Cl2
Question 7
Among the following metal carbonyls, C—O bond order is lower in
[Mn(CO)6]+
👌
[Fe(CO)5]
[Cr(CO)6]
[V(CO)6]
Question 8
Among the ligands NH3, en, CN and CO, the correct order of their increasing field strength, is
en < CH < NH3 < CO
CO < NH3 < en < CN
👌
NH3 < en < CN < CO
CN < NH3 < CO < en
Question 9
Among the properties (A) reducing (B) oxidizing (C) complexing, the set of properties shown by CNion towards metal species is:
A, B
B, C
👌
C, A
A, B, C
Question 10
An octahedral complex is formed when hybrid orbitals of the following type are involved
sp3
dsp2
👌
d2sp3
sp2d2
author

DESH DEEPAK A P S CHAUHAN

M.Sc. CHEMISTRY!

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