Chemistry Chapter 12 Entry Test MCQs

a. 0
b. +1
c. +4
d. +2

d. +2

a. +2
b. +4
c. 0
d. +1

c. 0

a. 6, VI
b. 4, II
c. 4, IV
d. 6, IV

d. 6, IV

a. 4
b. 2
c. 0
d. 6

d. 6

a. [Ni(CO)4]
b. [Cu(NH3)6]SO4
c. [Pt(NH3)2Cl2]SO4
d. K3[Fe(CN)6]

c. [Pt(NH3)2Cl2]SO4

a. 4
b. 2
c. 0
d. 6

d. 6

a. Co
b. Ni
c. Zn
d. Mn

c. Zn

a. –2
b. –1
c. +3
d. +2

c. +3

a. 1
b. 4
c. 3
d. 2

d. 2

a. (ii) and (iii)
b. (i) and (iii)
c. (ii) and (iv)
d. (i) and (iv)

b. (i) and (iii)

a. x = -1, y = -4
b. x = +1, y = -1
c. x = -2, y = -3
d. x = -1, y = +3

a. x = -1, y = -4

a. A ligand donates at least one electron pair to the metal atom to form a bond.
b. Coordination compounds are mainly known for transition metals.
c. [Co(NH3)4Cl2]+ is a complex.
d. Coordination number and oxidation state of metal are the same.

d. Coordination number and oxidation state of metal are the same.

a. Lewis acid
b. Lewis base
c. Bronsted-Lowry base
d. Bronsted-Lowry acid

a. Lewis acid

a. NH4+ ion does not have any lone pair of electrons
b. NH3 is a gas while NH+4 is in liquid form.
c. NH4+ ion has one unpaired electron while NH3 has two unpaired electrons
d. NH3 undergoes sp3 hybridization while NH4+ undergoes sp3d hybridisation

a. NH4+ ion does not have any lone pair of electrons

Nomenclature of Complex compounds

a. Chloronitrito-N-ammineplatinum (II)
b. Platinum diamminechloronitrite
c. Diamminechloronitrito-N-plantinate (II)
d. Diamminechloronitritoplatinum (II)

d. Diamminechloronitritoplatinum (II)

a. [Pt(NO2)(NH3)4Cℓ]SO4
b. [PtCℓ(NH3)4(NO2)]SO4
c. [PtCℓ(NO2)(NH3)4]SO4
d. All are correct

c. [PtCℓ(NO2)(NH3)4]SO4

a. Sodium hexacyano Iron(III)
b. Tetrasodium hexacyano ferrate(II)
c. Sodium hexacyano Iron(II)
d. Sodium hexacyano ferrate(II)

d. Sodium hexacyano ferrate(II)

a. Dibromo bis (ethylene diamine) cobalt (I) chloride
b. Bis (ethylene diamine) dibromo cobalt III chloride
c. Dibromo bis (ethylene diamine) cobalt (II) chloride
d. Dibromo bis (ethylene diamine) cobalt III chloride

d. Dibromo bis (ethylene diamine) cobalt III chloride

Geometry + Hybridization of Complex compounds

a. sp3d
b. Sp3
c. sp2
d. d2sp3

b. Sp3

a. dsp2
b. sp3
c. d2sp3
d. dsp3

c. d2sp3

a. Square planer
b. Octahedral
c. Trigonal-
d. Tetrahedral

a. Square planer

a. Tetrahedral
b. Square planner
c. Trigonal pyramidal
d. Octahedral

d. Octahedral

a. [Ni(CN)4]-2
b. [Ni(Cl)4]
c. [FeCN6]-4
d. [Ni(CO)5]-2

a. [Ni(CN)4]-2

Isomerism of Complex compounds

a. Coordination isomerism
b. Geometrical isomerism
c. Ionization isomerism
d. Linkage isomerism

b. Geometrical isomerism

a. Optical isomerism
b. Ligand isomerism
c. Hydration isomerism
d. Linkage isomerism

d. Linkage isomerism

a. [Cr(NH3)6][Co(CN)6]
b. [Ag(NH3)2][Ag(CN)2]
c. [Cu(NH3)4][FeCl4]
d. [Zn(NH3)4][PtCl4]

b. [Ag(NH3)2][Ag(CN)2]

a. Ligand isomerism
b. Ionization isomerism
c. stereoisomerism
d. Hydration isomerism

d. Hydration isomerism

a. Ligand isomerism
b. Ionization isomerism
c. stereoisomerism
d. Hydration isomerism

b. Ionization isomerism

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