Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 31 to 40 out of 226 Questions
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31.
The co-ordination number, oxidation number, number of electron in d-orbital and number of unpaired electrons is respectively in complex [Co(NH3)4CO3]CIO4
(a) 6, 3, 6, 0
(b) 7, 2, 7, 1
(c) 5, 2, 6, 4
(d) 6, 2, 7, 3
Answer:

Option (c)

32.
Who gave metal co-ordination theory?
(a) Albert Werner
(b) Schrodinger
(c) August Hofmann
(d) Alfred Wrener
Answer:

Option (d)

33.
What is the nature of ligand in complex compounds?
(a) Bronsted-Lowry base
(b) Lewis base
(c) Lewis acid
(d) Arrhenius acid
Answer:

Option (b)

34.
Which of the following cannot act as ligand?
(a) H2O
(b) NO3-
(c) CO2
(d) CO
Answer:

Option (c)

35.
Which of the following compounds is a double salt?
(a) Potassium permanganate
(b) Ferrous ammonium sulphate
(c) Ammonium chromate
(d) all the given
Answer:

Option (b)

36.
What is the primary valency of metal ion i the complex [Co(en)2Cl2]NO3 ?
(a) 4
(b) 6
(c) 2
(d) 3
Answer:

Option (d)

37.
What is the electrical charge of pentacarbonyl iron(0) complex?
(a) one
(b) two
(c) three
(d) zero
Answer:

Option (d)

38.
What is the secondary valency of metal ion in [Cr(NH3)4OX]NO3 ?
(a) 2
(b) 4
(c) 6
(d) 8
Answer:

Option (c)

39.
What is the valency of Fe which does not ionize in K3[Fe(OX3)] ?
(a) Three
(b) Four
(c) Six
(d) One
Answer:

Option (c)

40.
How many ions are obtained by ionization of (NH4)2[MoO4] complex compound in aqueous solution ?
(a) 2
(b) 4
(c) 0
(d) 3
Answer:

Option (d)

Showing 31 to 40 out of 226 Questions
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