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Which allotrope of carbon is a good conductor of electricity?

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Important Questions on The p-Block Elements

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

Choose the correct statement:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The INCORRECT statement regarding the structure of

C_{60}

is :

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

Diamond is extremely hard whereas graphite is soft. This is because

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The

P - P - P

bond angle in white phosphorus is

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

What is the hybridization of carbon atoms in fullerene?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

White phosphorus on reaction with concentrated

N a O H

solution in an inert atmosphere of

C O_{2}

gives phosphine and compound

(X) . (X)

on acidification with

H C l

gives compound

(Y) .

The basicity of compound

(Y)

is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The number of six membered and five membered rings in Buckminster Fullerence respectively is

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

Which among the group -15 elements does NOT exist as tetra atomic molecule?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The number of pentagons in

C_{60}

and trigons (triangles) in white phosphorus, are;

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

In diamond, the hybridization of each carbon atom is

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

White phosphorous

P_{4}

has the following characteristics

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

C_{60},

an allotrope of carbon contains

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

White phosphorus, when heated with conc.

NaOH

solution in an inert atmosphere of

{CO}_{2}

, forms phosphine and a sodium salt of oxoacid of phosphorus,

' X'

. The oxidation state of phosphorus in

' X'

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

How many five-membered and six-membered rings are present in a buckmisterfullerene

(C_{60}) ?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The element that does NOT exhibits allotropy is-

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The basic structural unit of feldspar, zeolites mica, and asbestos is:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The element that does not show catenation is

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

Identify the correct statements regarding fullerene.

$i .$ It has $60$ vertices.
$ii .$ All the carbon atoms are in the ${sp}^{3}$ hybridisation.
$iii .$ The number of rings having six carbons each is $20$ and the number of rings having five carbons each is $12$ .
$iv .$ All the $C - C$ bond lengths in it are equal.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

The

C - C

bond length is maximum in:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Carbon

Assertion: Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity.

Reason: Hybridization of carbon in diamond and graphite are

s p^{3}

and

s p^{2}

respectively.

Which allotrope of carbon is a good conductor of electricity?

Important Questions on The p-Block Elements

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