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

(a)

0.02

(b)

0.002

(c)

0.01

(d)

0.2

IUPAC name of the complex K₃[Al(C₂O₄)₃] is _______.

(a)

potassium trioxalatoaluminium (III)

(b)

possium trioxalatoaluminate (II)

(c)

potassium trisoxalatoaluminate (III)

(d)

potassium trioxalatoaluminate (III)

Crystal field stabilization energy for high spin d⁵ octahedral complex is _______.

(a)

-0.6\({ \Delta }_{ 0 }\)

(b)

0

(c)

2(P-\({ \Delta }_{ 0 }\))

(d)

2(P+\({ \Delta }_{ 0 }\))

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

(a)

[Cr(NH₃)₆][Co(CN)₆]

(b)

[Co(en)₂Cl₂]Cl

(c)

[Pt(NH₃)₄][PtCl₄]

(d)

[Co(NH₃)₄Cl₂]NO₂

How many geometrical isomers are possible for [Pt(Py)(NH₃)(Br)(Cl)]?

(a)

3

(b)

4

(c)

0

(d)

15

Which kind of isomerism is possible for a complex [Co(NH₃)₄Br₂]CI?

(a)

geometrical and ionization

(b)

geometrical and optical

(c)

optical and ionization

(d)

geometrical only

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

(a)

K₄[Fe(CN)₆]

(b)

[Fe(CN)₃(NH₃)₃]

(c)

[Fe(CO)₅]

(d)

both (b) and (c)

Which of the following is paramagnetic in nature?

(a)

[Zn(NH₃)₄]²⁺

(b)

[Co(NH₃)₆]³⁺

(c)

[Ni(H₂O)₆]²⁺

(d)

[Ni(CN)₄]^2-

Choose the correct statement.

(a)

Square planar complexes are more stable than octahedral complexes

(b)

The spin only magnetic moment of [Cu(Cl)₄]^2- is BM and it has square planar structure.

(c)

Crystal field splitting energy \(\left( { \Delta }_{ 0 } \right) \) [FeF₆]^4- is higher than the \((\Delta _{ 0 })\) of [Fe(CN)₆]^4- 

(d)

crystal field stabilization energy of [V(H₂O)₆]²⁺ is higher than the crystal field stabilization of [Ti(H₂O)₆]²⁺

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

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

(a)

4,4

(b)

2,4

(c)

4,1

(d)

4,2

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⁺

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.

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

Ligand which is used to treat hard water _______.

(a)

NH₃

(b)

Ox

(c)

en

(d)

EDTA

Which of these statements about [Co(CN)₆]^3- is true?

(a)

[CO(CN)₆]^3- has four unpaired electrons and will be in a high spin configuration

(b)

[Co(CN)₆]^3- has four unpaired electrons and will be in a low spin configuration

(c)

[CO(CN)₆]^3- has no unpaired electrons and will be in a high spin configuration

(d)

[CO(CN)₆]^3- has no unpaired electrons and will be in low spin configuration

In Co-ordination compound. [Cr(en)₃][CrF₆] _______.

(a)

ligand is en (ethylenediamine)

(b)

Oxidation state of central atom is +3

(c)

Central metal is Cr (in anomie complexes)

(d)

Cation complex is [Co(NH₃)₄Cl₂]⁺

Predict the geometry and hybridisation of Fe(Co)₅ _______.

(a)

Trigonal planar, dsp³

(b)

Trigonal bipyramidal, dsp³

(c)

Square planar dsp²

(d)

Octahedral d²sp³

Which of the following will exhibit linkage isomerism?

(a)

[Co(NH₃)₅ (NO₂)]²⁺

(b)

[Co(H₂O)₅CO)]³⁺

(c)

[Fe(en)₂CI₂]⁺

(d)

all the above 

An example of a complex compound having coordination number 4 _______.

(a)

K₄[Fe(CN)₆]

(b)

[Co(en)₃]Cl

(c)

[Fe(H₂O)₆]Cl₃

(d)

[Cu(NH₃)₄]Cl₂