Identify the ambidentate ligand among the following.

(a)

NH₃

(b)

C₂ O₄^2-

(c)

NO_2^-

(d)

SCN^-

An aqueous solution of (PdCI)₂ 4NH_3, when treated with excess of AgNO₃ precipitated 2 moles of AgCI. Predict the secondary valency of the compound _______.

(a)

2

(b)

3

(c)

4

(d)

6

The total number of electrons donated by ligands to platinum ion in [Pt(en)₂CI₂] is _______.

(a)

8

(b)

10

(c)

12

(d)

14

Primary and secondary valencies of Cu in [Cu(NH₃)₄]SO₄ is _______.

(a)

4,4

(b)

2,4

(c)

4,1

(d)

4,2

Structural formula of tetra aquadichlorideo Chromium (III) chloride _______.

(a)

[Cr(H₂O)₄Cl₂]Cl₂

(b)

[Cr(H₂O)₄Cl₃]

(c)

[(H₂O)₄Cl₂Cr]Cl₂

(d)

[Cl₂(H₂O)₄Cr]Cl₃

Which of the following octahedral complexes do not show geometrical isomerism?

(a)

[Co(NH₃)₃Cl₃]

(b)

[PtCl₂(NH₃)₄]

(c)

[Pt(NH₃)₂Cl₂]

(d)

[Co(en)₃]³⁺

Co-ordination isomerism is exhibited by _______.

(a)

[Cr(en)₂Cl₂]NO₂

(b)

[Pt(NH₃)₄] [CuCl₄]

(c)

[Cr(en)₂Cl₂]NO

(d)

[Co(NH₃)₅Cl]Cl₂

The spin only magnetic moment of [Mnfsr₄]^2- is 5.9 BM. Geometry of the complex ion is _______.

(a)

Tetrahedral

(b)

Octahedral

(c)

Square planar

(d)

Pentagonal pyramidal

[Fe(H₂O)₆]³⁺ and [Fe(CN)₆]^3- differ in _______.

(a)

magnetic nature

(b)

co-ordination number

(c)

oxidation number

(d)

Structure

According to CFT, five d-orbitals of an octahedral complex split to give _______.

(a)

One orbital with lower energy and four orbitals with higher energy

(b)

Two orbitals with lower energy and three orbitals with higher energy

(c)

Three orbitals with lower energy and two orbitals with higher energy

(d)

Four orbitals with lower energy and one orbital with higher energy.

IUPAC name of H₂[Ptcl₆] is _______.

(a)

Hexa chloridoplatinum (IV) acid

(b)

Hexa chloridoplatinum (IV) acid

(c)

Hexachloridoplatinic (IV) acid

(d)

Dihydrogenhexaehloro platinate (IV)

Which of the following is correct statement?

(a)

[Ti(H₂O)₆]³⁺ is coloured complex

(b)

[Sc(H₂O)₆]³⁺ is colourless complex

(c)

d-d transition is not possible in [Sc(H₂O)₆]³⁺ complex

(d)

All of these

Naming the ligand in [M(en)₂]ⁿ⁺starts with _______.

(a)

Di

(b)

Bi

(c)

Bis

(d)

any of these

Ligand which is used to treat hard water _______.

(a)

NH₃

(b)

Ox

(c)

en

(d)

EDTA

The name of complex ion, [Fe(CN)₆]^3- is _______.

(a)

Trieyanoferrate (III) ion

(b)

Hexacyano iron (III) ion

(c)

Hexacyanitoferrate (III) ion

(d)

Hexacyanido ferrate (III) ion