Match the catalysts to the correct process. Catalyst Process A. T i C l 3 i. Wacker process B. P d C l 2 ii. Ziegler – Natta polymerisation C. C u C l 2 iii. Contact process` D. V 2 O 5 iv. Deacon’s process

A → i i , B → i , C → i v , D → i i i

A → i i i , B → i , C → i i , D → i v

A → i i i , B → i i , C → i v , D → i

A → i i , B → i i i , C → i v , D → i

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What is the term used when debentures are issued at a value equal to their nominal value?

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Important Questions on The d- and f-Block Elements

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Write the hybridisation and number of unpaired electrons in the complex

{[{CoF}_{6}]}^{3 -}

. (Atomic No. of

Co = 27

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Explain the term Ligand.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Write the coordination number and oxidation state of Platinum in the complex

[Pt {(en)}_{2} {Cl}_{2}]

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

The transition elements that has the lowest enthalpy of atomisation is:

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

What is an ambidentate ligand?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Match the catalysts to the correct process.

	Catalyst		Process
A.	$T i C l_{3}$	i.	Wacker process
B.	$P d C l_{2}$	ii.	Ziegler – Natta polymerisation
C.	$C u C l_{2}$	iii.	Contact process`
D.	$V_{2} O_{5}$	iv.	Deacon’s process

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

What is a bidentate ligand? Give one example.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

The correct order of the first ionization enthalpies is:

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Explain the term coordination number.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Explain the term coordination entity.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Find the metallic and ferromagnetic substance.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Amongst the following, identify the species with an atom in

+ 6

oxidation state.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Which of the following are the transition metal ions responsible for colour in ruby and emerald respectively?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

What is the oxidation number of gold in the complex

[{AuCl}_{4}]^{-}

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Consider the hydrated ions of

T i^{2 +}, V^{2 +}, T i^{3 +}

and

S c^{3 +}

. The correct order of their spin-only magnetic moments is:

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Although Zirconium belongs to

4 d

transition series and Hafnium to

5 d

transition series even then they show similar physical and chemical properties because _____.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Reason of lanthanoid contraction is:

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

Explain the terms. Central metal atom/ion.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

The coordination numbers of

C o

and

A l

[C o (C l) {(e n)}_{2}] C l

and

K_{3} [A l {(C_{2} O_{4})}_{3}],

respectively are:
(en

=

ethane-1, 2-diamine)

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>General Properties of Lanthanoids

The correct charge and co-ordination number of

‘ Fe ’

K_{3} [Fe {(CN)}_{6}]

What is the term used when debentures are issued at a value equal to their nominal value?

Important Questions on The d- and f-Block Elements

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