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Coordination Compounds DPP 01(of Lec 02) (Yakeen 2.0 2023 PW Star)

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1
YAKEEN 2.0_2023 (Live)
Coordination Compound
1.
Which of the following is not a double salt but it is a
complex salt?
(1) KCl  MgCl2  6H2O
(2) FeSO4  (NH4)2SO4  6H2O
(3) K2SO4  Al2(SO4)3  24H2O
(4) 4KCN  Fe(CN)2
2.
Which of the following not chelating agents?
(1) Thiosulphato
(2) Oxalato
(3) Glycinato
(4) Ethylene diamine
3.
The correct charge on and co-ordination number of
‘Fe’ in K3[Fe(CN)6] is
(1) +2, 4
(2) +3, 6
(3) +2, 6
(4) +3, 3
4.
Trien is
(1) Hexadentate, monoanionic
(2) Tetradentate, neutral
(3) Tetradenatate, dianion
(4) Monodentate, anion
5.
The oxidation number of cobalt in K[Co(CO)4]
(1) +1
(2) +2
(3) –1
(4) –3
6.
Which of the following is a negatively charged
bidentate ligand?
(1) Dimethyl glyoximato
(2) Cyano
(3) Ethylene diamine
(4) Acetato
7.
The oxidation number of Pt in [Pt(C2H4)Cl3]– is
(1) +1
(2) +2
(3) +3
(4) +4
8.
Which one is the most likely structure of
CrCl36H2O if 1/3 of total chlorine of the compound
is precipitated by adding AgNO3 to its aqueous
solution:
(1) CrCl3  6H2O
(2) [CrCl3(H2O)3]  (3H2O)3
(3) [CrCl2(H2O)4]  Cl  2H2O
(4) [CrCl(H2O)5]Cl2  H2O
DPP-01
9.
Ethylene diamine is an example of a ……… ligand:
(1) Monodentate
(2) Bidentate
(3) Tridentate
(4) Hexadentate
10.
The donor sites of (EDTA)4– are?7
(1) O atoms only
(2) N atoms only
(3) Two N atoms and four O atoms
(4) Three N atoms and three O atoms
11.
Co-ordination number of platinum in [Pt(NH3)4Cl2]2+
ion is:
(1) 4
(2) 2
(3) 8
(4) 6
12.
Which of the following species is not expected to be
a ligand?
(1) NO
(2) NH4+
(3) NH2CH2CH2NH2
(4) CO
13.
Which of the following complexes are heteroleptic?
(a) [Cr(NH3)6]3+
(b) [Fe(NH3)4Cl2]+
4–
(c) [Mn(CN)6]
(d) [Co(NH3)4Cl2]
(1) a, c, d
(2) b, d
(3) b, c
(4) a, c
14.
The coordination number and oxidation number of
the central metal ion in the complex [Pt(en)2]+2 is:(1) C. N. = 2
O. N. = +2
(2) C. N. = 6
O. N. = +4
(3) C. N. = 4
O. N. = +4
(4) C. N. = 4
O. N. = +2
15.
A reagent used for identifying nickel ion is :(1) Potassium ferrocyanide
(2) Phenolphthalein
(3) Dimethyl glyoxime
(4) EDTA
2
Note: Kindly find the Video Solution of DPPs Questions in the DPPs Section.
Answer Key
1.
(4)
2.
(1)
3.
(2)
4.
(2)
5.
(3)
6.
(1)
7.
(2)
8.
(3)
9.
(2)
10.
(3)
11.
(4)
12.
(2)
13.
(2)
14.
(4)
15.
(3)
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