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

Biopiracy may be defined as the robbery of indigenous knowledge of nature, naturally-occurring biological resources and genetic materials of a country by the technologically advanced country or organisation for commercial purpose or profit without any permission from or air compensation recognition to the peoples or nations in whose territory the materials were originally developed.

MEDIUM

Earn 100

What is the term for the value stated on debentures at the time of their issue?

50% studentsanswered this correctly

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 coordination entity.

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}]

MEDIUM

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

What is photoelectric effect?

MEDIUM

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

What is an ambidentate ligand?

HARD

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

When photon of energy

4.0 e V

strikes the surface of a metal

A,

the ejected photoelectrons have maximum kinetic energy

T_{A} e V

and de-Broglie wavelength

λ_{A} .

The maximum kinetic energy of photoelectrons liberated from another metal

B

by photon of energy

4.50 e V

T_{B} = (T_{A} - 1.5) e V .

If the de-Broglie wavelength of these photoelectrons

λ_{B} = 2 λ_{A},

then the work function of metal

B

is:

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

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