Coordination Chemistry Book Back Practice Test

12th Standard Chemistry — Coordination Chemistry: Book Back Online Practice Test

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The sum of primary valence and secondary valence of the metal M in the complex \([M(en)_2(Ox)]Cl\) is

A.3 B.6 C.-3 D.9

An excess of silver nitrate is added to 100ml of a 0.01M solution of pentaaquachloridochromium(III)chloride. The number of moles of AgCl precipitated would be

A.0.02 B.0.002 C.0.01 D.0.2

A complex has a molecular formula \(MSO_4Cl \cdot 6H_2O\). The aqueous solution of it gives white precipitate with Barium chloride solution and no precipitate is obtained when it is treated with silver nitrate solution. If the secondary valence of the metal is six, which one of the following correctly represents the complex?

A.\([M(H_2O)_4Cl]SO_4 \cdot 2H_2O\) B.\([M(H_2O)_6]SO_4\) C.\([M(H_2O)_5Cl]SO_4 \cdot H_2O\) D.\([M(H_2O)_3Cl]SO_4 \cdot 3H_2O\)

Oxidation state of Iron and the charge on the ligand NO in \([Fe(H_2O)_5NO]SO_4\) are

A.+2 and 0 respectively B.+3 and 0 respectively C.+3 and -1 respectively D.+1 and +1 respectively

As per IUPAC guidelines, the name of the complex \([Co(en)_2(ONO)Cl]Cl\) is

A.Chlorobisethylenediaminenitritocobalt(III) chloride B.Chloridobis(ethane-1,2-diamine)nitro -Ocobaltate(III) chloride C.Chloridobis(ethane-1,2-diammine)nitrito -Ocobalt(II) chloride D.Chloridobis(ethane-1,2-diammine)nitrito \(\kappa\) -Ocobalt(III)chloride

IUPAC name of the complex \(K_3[Al(C_2O_4)_3]\) is

A.Potassiumtrioxalatoaluminium(III) B.Potassiumtrioxalatoaluminate(II) C.Potassiumtrisoxalatoaluminate(III) D.Potassiumtrioxalatoaluminate(III)

A magnetic moment of 1.73BM will be shown by one among the following (NEET)

A.\(TiCl_4\) B.\([CoCl_6]^{4-}\) C.\([Cu(NH_3)_4]^{2+}\) D.\([Ni(CN)_4]^{2-}\)

Crystal field stabilization energy for high spin \(d^5\) octahedral complex is

A.\(-0.6 \Delta_o\) B.0 C.\(2(P - \Delta_o)\) D.\(2(P + \Delta_o)\)

In which of the following coordination entities the magnitude of \(\Delta_o\) will be maximum?

A.\([Co(CN)_6]^{3-}\) B.\([Co(C_2O_4)_3]^{3-}\) C.\([Co(H_2O)_6]^{3+}\) D.\([Co(NH_3)_6]^{3+}\)

Q10

Which one of the following will give a pair of enantiomorphs?

A.\([Cr(NH_3)_6][Co(CN)_6]\) B.\([Co(en)_2Cl_2]\) C.\([Pt(NH_3)_4][PtCl_4]\) D.\([Co(NH_3)_4Cl_2]NO_2\)

Q11

Which type of isomerism is exhibited by \([Pt(NH_{3})_{2}Cl_{2}]\)?

A.Coordination isomerism B.Linkage isomerism C.Optical isomerism D.Geometrical isomerism

Q12

How many geometrical isomers are possible for \([Pt(py)(NH_{3})(Br)(Cl)]\)?

A.3 B.4 C.0 D.15

Q13

Which one of the following pairs represents linkage isomers?

A.\([Cu(NH_{3})_{4}][PtCl_{4}]\) and \([Pt(NH_{3})_{4}][CuCl_{4}]\) B.\([Co(NH_{3})_{5}(NO_{2})]SO_{4}\) and \([Co(NH_{3})_{5}(ONO)]SO_{4}\) C.\([Co(NH_{3})_{4}(NCS)_{2}]Cl\) and \([Co(NH_{3})_{4}(SCN)_{2}]Cl\) D.both (b) and (c)

Q14

Which kind of isomerism is possible for a complex \([Co(NH_{3})_{4}Br_{2}]Cl\)?

A.geometrical and ionization B.geometrical and optical C.optical and ionization D.geometrical only

Q15

Which one of the following complexes is not expected to exhibit isomerism?

A.\([Ni(NH_{3})_{4}(H_{2}O)_{2}]^{2+}\) B.\([Pt(NH_{3})_{2}Cl_{2}]\) C.\([Co(NH_{3})_{5}SO_{4}]Cl\) D.\([FeCl_{6}]^{3-}\)

Q16

A complex in which the oxidation number of the metal is zero is

A.\(K_{4}[Fe(CN)_{6}]\) B.\([Fe(CN)_{3}(NH_{3})_{3}]\) C.\([Fe(CO)_{5}]\) D.both (b) and (c)

Q17

Formula of tris(ethane-1,2-diamine)iron(II) phosphate is

A.\([Fe(en)_{3}]PO_{4}\) B.\([Fe(en)_{3}](PO_{4})_{3}\) C.\([Fe(en)_{3}](PO_{4})_{2}\) D.\([Fe(en)_{3}]_{3}(PO_{4})_{2}\)

Q18

Which of the following is paramagnetic in nature?

A.\([Zn(NH_{3})_{4}]^{2+}\) B.\([Co(NH_{3})_{6}]^{3+}\) C.\([Ni(H_{2}O)_{6}]^{2+}\) D.\([Ni(CN)_{4}]^{2-}\)

Q19

Fac-mer isomerism is shown by

A.\([Co(en)_{3}]^{3+}\) B.\([Co(NH_{3})_{4}Cl_{2}]^{+}\) C.\([Co(NH_{3})_{3}Cl_{3}]\) D.\([Co(NH_{3})_{5}Cl]SO_{4}\)

Q20

Choose the correct statement.

A.Square planar complexes are more stable than octahedral complexes B.The spin only magnetic moment of \([CuCl_{4}]^{2-}\) is \(1.732\text{ BM}\) and it has square planar structure. C.Crystal field splitting energy \(\Delta_{o}\) of \([FeF_{6}]^{4-}\) is higher than the \(\Delta_{o}\) of \([Fe(CN)_{6}]^{4-}\) D.The crystal field stabilization energy of \([V(H_{2}O)_{6}]^{2+}\) is higher than that of \([Ti(H_{2}O)_{6}]^{2+}\)

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About this Coordination Chemistry test

This free online practice test covers Coordination Chemistry from the 12th Standard Chemistry (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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