Coordination Compounds  MCQs

MCQs of Coordination Compounds

Showing 111 to 120 out of 226 Questions
111.
What is the co-ordination number of ptn ?
(a) Three
(b) Six
(c) One
(d) Four
Answer:

Option (a)

112.
Which of the following contains incorrect hybridization ?
(a) [Fe(CN)6]4- -  d2sp3
(b) [Ni(CN)4]2- -  dsp2
(c) [Ni(NH3)4]2+ - sp2
(d) [Ni(CO)4] - sp3
Answer:

Option (c)

113.
What is the type of hybridization in Fe(CO)5 ?
(a) dsp3
(b) sp3d
(c) sp3d2
(d) dsp2
Answer:

Option (a)

114.
K4[Ni(CN)4] is tetrahedral. What is the theoretical of its magnetic moment ?
(a) zero
(b) 1.73 BM
(c) 2.83 BM
(d) 2.73 BM
Answer:

Option (c)

115.
For NH4[Cr(NH3)2(CO3)2] primary valency, secondary valency, number of unpaired electron and total number of ions (on ionization) are respectively _____ .
(a) 1,4,2,5
(b) 3,6,3,2
(c) 6,3,3,2
(d) 3,3,3,2
Answer:

Option (a)

116.
What is the geometrical structure of [Co(NH3)6]3+
(a) Octahedral
(b) Tetrahedral
(c) Trigonal bipyramidal
(d) Square planar
Answer:

Option (d)

117.
What is the formula of the complex with square planar structure and co-ordination number 4 ?
(a) [Ni(CN)4]2-
(b) [CoCl4]2-
(c) [MnO4]-
(d) [NiCl4]4-
Answer:

Option (c)

118.
What is the theoretical value of magnetic moment μ, when CN- ligands combine with Fe3+ ion to form a complex ?
(a) 2.83 BM
(b) 3.87 BM
(c) 5.92 BM
(d) 1.73 BM
Answer:

Option (a)

119.
State respectively the co-ordination number of the metal ion, its oxidation number, number of e- in d-orbitals in [Co(H2O)4SO3] . Cl ?
(a) 5,3,6,0
(b) 5,3,6,4
(c) 6,3,6,0
(d) 6,3,6,4
Answer:

Option (d)

120.
Which of the following octahedral complexes does not show geometrical isomerism ? ( A ansd B are monodentate ligands)
(a) [MA2B4]
(b) [MA3B3]
(c) [MA4B2]
(d) [MA5B]
Answer:

Option (d)

Showing 111 to 120 out of 226 Questions