CBSE Questions for Class 12 Engineering Chemistry Coordination Compounds Quiz 2 - MCQExams.com

The formula of prussian blue is:
  • $$Na_{4}[Fe(CN)_{6}]$$
  • $$Fe(CN)_{2}$$
  • $$Fe(CNS)_{3}$$
  • $$Fe_{4}[Fe(CN)_{6}]_{3}$$
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion.
  • Assertion is correct, but Reason is incorrect.
  • Assertion is incorrect, but Reason is correct.
Which of the following complexes is(are) paramagnetic ?
  • $$[Mn(CN_{6})]^{3-}$$
  • $$[Cr(NH_{3})_{6}]^{3+}$$
  • $$[Fe(CN)_{6}]^{4-}$$
  • $$[CO(CN_{6})]^{3-}$$

Which one of the following molecular geometries (i.e. shapes) is not possible for the $$sp^{3}d^{2}$$ hybridization?
  • Capped octahedral
  • Octahedral
  • Square planar
  • Square pyramidal

$$[Co(NH_3)_4Cl_2]$$ possesses :
  • Square planar geometry
  • Tetrahedral geometry
  • Tetrahedral nature
  • Octahedral geometry
Which of the following is considered to be an anticancer species ?

Which of the following are isostructural ?

(I)$$NO_{3}^{-}$$

(II)$$CO_{3}^{2-}$$

(III)$$CIO_{3}^{-}$$

(IV)$$SO_{3}$$

(V)$$ XeO_{3}$$
  • (I) and (IV)
  • (II) and (V)
  • (III) and (IV)
  • (IV) and (V)
The correct order regarding the electronegativity of hybrid orbitals of carbon is:
  • $$sp > sp^{2}< sp^{3}$$
  • $$sp > sp^{2} > sp^{3}$$
  • $$sp < sp^{2}> sp^{3}$$
  • $$sp < sp^{2}< sp^{3}$$
Which complex compound will give three isomers?
  • $$\left[ Fe(en)_{ 3 } \right] C{ l }_{ 3 }$$
  • $$\left[ Co(en)_{ 2 }C{ l }_{ 2 } \right] C{ l }$$
  • $$\left[ Fe(PP{ h }_{ 3 })_{ 3 }N{ H }_{ 3 }ClBr \right] C{ l }$$
  • $$\left[ Co(PP{ h }_{ 3 })_{ 3 }Cl \right] C{ { l }_{ 3 } }$$
The two compounds $$\displaystyle \left [ Co\left ( SO_{4} \right )\left ( NH_{3} \right )_{5} \right ]Br$$ and $$\displaystyle \left [ Co\left ( SO_{4} \right )\left ( NH_{3} \right )_{5} \right ]Cl$$ represent
  • Linkage is isomerism
  • Ionisation isomerism
  • Co $$\displaystyle -$$ ordination isomerism
  • No isomerism
The total number of possible isomers of the compound $$\displaystyle \left [ Cu^{II}\left ( NH_{3} \right )_{4} \right ]\left [ Pt^{II}Cl_{4} \right ]$$ are :
  • 3
  • 5
  • 4
  • 6
$$\displaystyle Ti^{3+}\left ( aq \right )$$ is violet while $$\displaystyle Ti^{4+}\left ( aq \right )$$ is colourless because $$\displaystyle -$$
  • There is no crystal field effect in $$\displaystyle Ti^{4+}$$
  • There energy difference between $$\displaystyle t_{2g}$$ and $$\displaystyle e_{g}$$ of $$\displaystyle Ti^{4+}$$ is quite high and does not fall in the visible region.
  • $$\displaystyle Ti^{4+}$$ has $$\displaystyle d^{0}$$ configuration.
  • $$\displaystyle Ti^{4+}$$ is very small in comparison to $$\displaystyle Ti^{3+}$$ and hance does not absorb any radiation.
Coordination compounds are mainly known for transition metals.
  • True
  • False
The IUPAC nomenclature for the complex $$Na[PtBrCl(NO_{2})(NH_{3})]$$ is
  • Sodium amminechlorobromonitro-N-platinum(II)
  • Sodium nitrochlorobromoammine-N-platinate(II)
  • Sodium amminebromochloronitro-N-platinate(II)
  • Sodium amminebromochloronitro-N-platinum(II)
The IUPAC name of $$[PtCl(NH_2CH_3)(NH_3)_2]Cl$$ is :
  • diamminechloro(methylamine)platinum(II)chloride
  • (dimethylamine)chlorodiamminoplatinum(II)chloride
  • bis(ammine)chloro(methylamine)platinate(II)chloride
  • diaminechloro(mehylamine)platinum(II)chloride
Type of isomerism exhibited by $$\displaystyle \left [ Cr\left ( NCS \right )\left ( NH_{3} \right )_{5} \right ]\left [ ZnCl_{4} \right ]$$ is :
  • coordination isomerism.
  • linkage isomerism.
  • ionization isomerism.
  • both coordination and linkage isomerism.
Which one of the following platinum complexes is used in cancer chemotherapy?
  • $$Cis-[PtCl_{2}(NH_{3})_{2}]$$
  • $$Trans-[PtCl_{2}(NH_{3})]$$
  • $$[Pt(NH_{3})_{4}]^{2+}$$
  • $$[PtCl_{4}]^{2-}$$
The IUPAC name of $$\displaystyle \left [ CuCl_{4} \right ]^{2-}$$ is tetrachlorido cuprate (II).
  • True
  • False
Total number of space isomers of the formula of the above complex is :
  • $$2$$
  • $$3$$
  • $$4$$
  • $$1$$
Four one–litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same room temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be:
  • 1:1:1:1
  • 1:2:2:3
  • 2:1:2:3
  • 3:2:2:1
Which kind of isomerism is exhibited by octahedral $$[Co(NH_3)_4Br_2]Cl$$?
  • Geometrical and ionization
  • Geometrical and optical
  • Optical and ionization
  • Geometrical only
The stability of ferric ion is due to:
  • $$\text{Half field f-orbital}$$
  • $$\text{Half field d-orbital}$$
  • $$\text{Complete field f-orbital}$$
  • $$\text{Complete field d-orbital}$$
Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect?
  • Carboxypeptidase-A is an enzyme and contains zinc
  • Haemoglobin is the red pigment of blood and contains iron
  • Cyanocobalamin is $$B^{12}$$ and contains cobalt
  • Chlorophylls are green pigments in plants and contain calcium
Complex species that exhibits isomerism is :
  • $$[Ag(NH_{3})_{2}]^{+}$$
  • $$[Co(NO_{2})(NH_{3})_{5}]^{2+}$$
  • $$[PtCl_{2}(en)]$$
  • $$[CoCl(NH_{3})_{5}]^{2+}$$
The two compounds pentaamminesulphatocobalt (III) bromide and pentaamminesulphatocobalt (III) chloride represent :
  • Linkage isomerism
  • Ionization isomerism
  • Coordination isomerism
  • No isomerism
Coordination compounds are mainly known for transition metals.
  • True
  • False
True structure is predicted by :
  • valence bond approach
  • Sidgwick approach
  • hybrid orbital formation
  • None of the above
S in $$\displaystyle SF_{6}$$ is ______________ hybridized.
  • $$\displaystyle sp^{3}d^{3}$$
  • $$\displaystyle sp^{3}d^{4}$$
  • $$\displaystyle sp^{3}d^{2}$$
  • None of these
Consider following complexes :

I: $$[Fe(H_2O)_6]^{2+}$$
II :$$[Fe(CN)_6]^{4-}$$
III :$$[Ni(CO)_4]$$
IV :$$[Ni(H_2O)_4]^{2+}$$
V :$$[Ni(CN)_4]^{2-}$$

Out of this, select the complexes with octahedral geometry :
  • $$[Fe(H_2O)_6]^{2+}$$
  • $$[Fe(CN)_6]^{4-}$$
  • $$[Ni(H_2O)_4]^{2+}$$
  • $$[Ni(CN)_4]^{2-}$$
If the metal ion of $$[Fe(CN)_6]^{3-}$$ has $${ d }^{ x }$$ electronic configuration then value of $$x$$ is:
  • 2
  • 4
  • 5
  • 3
Complex compound $$[Co(SCN)_{2}(NH_{3})_{4}]Cl$$ exhibits.
  • Ionization isomerism
  • Geometrical isomerism
  • Optical isomerism
  • Linkage isomerism
Identify the type of isomerism shown by $$[Co(NH_3)_4Cl_2]^+$$ :
  • $$geometrical$$ $$cis$$, $$trans$$
  • $$geometrical $$ $$fac-$$, $$mer-$$
  • $$optical$$
  • None of the above
State whether the given statement is true or false:

Use of $$cis$$-platin in cancer treatment also causes severe kidney damage.
  • True
  • False
State whether the given statement is true or false:

The $$d_{xy}, d_{yz}$$ and $$d_{xz}$$ orbitals lie between the axes and collectively called $$t_{2g}$$ orbitals.
  • True
  • False
Chrome green is _____
  • $$PbCrO_4 + Fe^{III} [Fe^{II} (CN)_6]^-$$
  • $$Cr_2O_5$$
  • $$PbCrO_4$$
  • $$FeCrO_4$$
The colour of a complex compound is due to :
  • promotion of $$3d$$-electrons of the central atom/ion to $$4s$$-orbital.
  • promotion of $$3d$$-electrons of the central atom/ion to $$4p$$-orbitals.
  • promotion of $$3d$$-electrons of the central atom/ion to $$d$$-orbitals.
  • promotion of $$4s$$-electrons of the central atom/ion to $$4p$$-orbitals.
Turnbull's blue is $$Fe_3{[Fe{(CN)}_6]}_2$$.
  • True
  • False
State whether the given statement is true or false:

Orange is the complimentary colour of blue spectral colour.
  • True
  • False
When $$KCN$$ is added to $$CuS{ O }_{ 4 }$$ solution, there is formation of the stable water soluble complex. This complex is :
  • $${ K }_{ 4 }\left[ Cu{ \left( CN \right) }_{ 6 } \right] $$
  • $${ K }_{ 3 }\left[ Cu{ \left( CN \right) }_{ 4 } \right] $$
  • $${ K }_{ 2 }\left[ Cu{ \left( CN \right) }_{ 4 } \right] $$
  • $${ K }\left[ Cu{ \left( CN \right) }_{ 3 } \right] $$
True structure is predicted by:
  • Valence-bond approach
  • Sidgwick approach
  • Hybrid orbital
  • None of the above
Turnbull's blue is :
  • $$Fe_3[Fe(CN)_6]_2$$
  • $$K_4Fe(CN)_6$$
  • $$K_3Fe(CN)_6$$
  • $$Na_4Fe(CN)_6$$
In the complex $$CoCl_3\cdot 5NH_3$$, one $$Cl^-$$ ion satisfies primary and secondary valencies of cobalt(III).
  • True
  • False
Select the correct statements.
  • van der Waals' radii is always larger than the covalent radii
  • The bond length of a particular bond depends on the state of hybridization of the involved atoms
  • When %s - character increases, then bond length increases
  • All are incorrect
The complex used as an anticancer agent is :
  • $$trans$$-$$[Co(NH_3)_3Cl_3]$$
  • $$cis$$-$$[PtCl_2(NH_3)_2]$$
  • $$cis$$-$$K_2[PtCl_2Br_2]$$
  • $$Na_2CO_3$$
Which of the following is first formed inert gas compound ?
  • $$Xe[Pt F_6]$$
  • $$Kr[Pt F_6]$$
  • $$XeF_2$$
  • $$XeO_3$$
Linear combination of two hybridzed orbitals, belonging to two atoms and each having one electron leads to
  • Sigma - bond
  • Double bond
  • Co-ordinate covalent bond
  • Pi - bond
If a transition-metal compound absorbs violet-indigo radiation in the visible region. Its color would be :
  • green.
  • yellow.
  • orange.
  • blue.
Both geometrical and optical isomerisms are shown by :
  • $$[Co(en)_2Cl_2]^+$$
  • $$[Co(NH_3)_5Cl_2]^{2+}$$
  • $$[Co(NH_3)_4Cl_2]^+$$
  • $$[Cr(OX)_3]^{3-}$$
Transition metal compounds are usually colored. This is due to the electronic transition :
  • from $$p$$-orbital to $$s$$-orbital.
  • from $$d$$-orbital to $$s$$-orbital.
  • from $$p$$-orbital to $$p$$-orbital.
  • within the $$d$$-orbitals.
10 ml of $$KMnO_4$$  Solution is required it completely oxidise acidic solution of 30 ml of 1.5 Volume strength $$H_2O_2$$.

Calculate normality of $$KMnO_4$$ Solution :
  • 0.4
  • 0.65
  • 0.8
  • 0.19
0:0:1


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