Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 81 to 90 out of 226 Questions
6 7 8 9 10 11
81.
Which of the following does not possess magnetic property ?
(a) [CuCl4]2- : 1 unpaired electron
(b) [Fe(H2O)6]2+ : 5 unpaired electron
(c) [Zn(NH3)2]2+ : 5 diamagnetic
(d) [CoF6]3- : 4 unpaired electron
Answer:

Option (b)

82.
Which type of hybrid in ferrocyanide ion ?
(a) dsp2
(b) sp3d
(c) d2sp3
(d) d3s
Answer:

Option (c)

83.
In MnO4-,Mn7+ does not contain unpaired electron, yet it gives color ion.
(a) it contains O2- strong ligand
(b) it contains O2- weak ligand electron d-orbital transits in d-d
(c) as unpaired electron are less
(d) as it is colour from beginin
Answer:

Option (b)

84.
In which ions optical isomer is found ?
(a) Octachedral complex chelate
(b) Square planar complex chelate
(c) Recemic mixture
(d) In acheral atoms
Answer:

Option (a)

85.
Which of the following ligand Δ0 contains minimum value ?
(a) CN-
(b) Co
(c) F-
(d) NH3
Answer:

Option (c)

86.
How many geometrical isomers are possible of [Pt(NO2)(Py)(NH2OH)(NH3)] ?
(a) 2
(b) 3
(c) 4
(d) 0
Answer:

Option (d)

87.
The incorrect statement about Fe4[Fe(CN)6]3 is _____
(a) its IUPAC name is ferric hexacyanoferrate (II)
(b) primary valency of central fe is 2 and its secondary valency is 6
(c) its ionization gives four Fe+3 ions and three 3[Fe(CN)6]4- ions
(d) oxidation state of both Fe is +3
Answer:

Option (d)

88.
In potassium ferrocyanide complex, how many total electrons are donated to ferrous ion by ligands ?
(a) 6
(b) 12
(c) 4
(d) 18
Answer:

Option (b)

89.
In which of the following complexes outer orbital hybridization takes place ?
(a) [Co(CN)6]3-
(b) [Zn(NH3)4]2+
(c) [Mn(NH3)6]2+
(d) [V(NH3)6]3+
Answer:

Option (b)

90.
What is the hybridization associated with low spin of transition metal ?
(a) sp3d2
(b) sp3d
(c) sp3
(d) d2sp3
Answer:

Option (d)

Showing 81 to 90 out of 226 Questions
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