Different chemical and physical properties.

Same physical but different chemical properties.

F > Cl > Br > I (Electron affinity)

F 2 > Cl 2 > Br 2 > I 2 (Bond dissociation energy)

Na > Mg > Al > Si (Ionisation energy)

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The relative order of electronegativity of $C, Ge$ , and $Pb$ is

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Important Questions on p-Block Elements

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

What would be the product of following reaction

{SiCl}_{4} \overset{Excess of H_{2} O}{⟶}

? (Major Product)

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

The element that does not show catenation is

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Which of the following statements are correct?
a) The isotope of carbon containing

7

neutrons has natural abundance of

1.1 %

b) Among the IV A group elements, Sn has the lowest melting point
c) Silicon is the

2^{nd}

(by mass) most abundant element in the earth's crust
d) Elemental carbon shows the highest electrical resistivity among the

14

group elements

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Which statement is incorrect in context with Anthracite?

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

The hybridizations of carbon in graphite, diamond and

C_{60}

are respectively

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Identify the incorrect statements from the following

I .

Tin in

+ 2

state acts as reducing agent while lead in

+ 4

state acts as strong oxidising agent.

II .

Silicon exists as both

{[{SiF}_{6}]}^{2 -}

and

{[{SiCl}_{6}]}^{2 -}

forms.

III .

The hybridisation of carbon in fullerene is

{sp}^{3}

IV .

Among

Ge, Sn

and

Pb

lowest melting point is for

Sn

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

An allotrope of carbon which exhibits only two types of

C - C

bond distance of

143.5 pm

and

138.3 pm

, is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

The correct order of catenation is:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

The correct order of bond enthalpy (

kJ {mol}^{- 1}

) is:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Identify the correct statements

I)

Germanium exists only in traces.

II)

The order of electronegativity of

Si, Ge, Sn

Sn > Ge > Si

III)

All group

14

elements are available in solid state

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Assertion :

Si - Si

bonds are much weaker than

Si - O

bonds.
Reason : Silicon forms double bonds with itself.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Catenation i.e., linking of similar atoms depends on size and electronic configuration of atoms. The tendency of catenation in Group

14

elements follows the order:

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Catenation is the ability of

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Which of the following elements has the lowest melting point?

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Which of the following is a semiconductor?

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Aluminium is obtained from aluminium oxide by electrolysis.
Name the element used to make the electrodes in the electrolytic cell.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

C

and

Si

have:

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Explain the following :

Carbon shows catenation property but lead does not.

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

Explain why is there a phenomenal decrease in ionization enthalpy from carbon to silicon?

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Chemistry>Inorganic Chemistry>p-Block Elements>Atomic Properties of Group 14 Element

The correct order:

The relative order of electronegativity of C,Ge, and Pb is

Important Questions on p-Block Elements

Learn and Prepare for any exam you want !

The relative order of electronegativity of $C, Ge$ , and $Pb$ is