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Out of the two main allotropes of tin found in nature, $α$ -tin is found at

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Important Questions on p-Block Elements - I

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

C_{60},

an allotrope of carbon contains

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The element that does not show catenation is

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

Identify the incorrect statement :

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

Explain the following property of group 16 elements:

Allotropy

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The correct order of bond enthalpy (

kJ {mol}^{- 1}

) is:

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

White phosphorous

P_{4}

has the following characteristics

EASY

Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The following statements concern elements in the periodic table. Which of the following is true?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

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

EASY

Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The correct order of catenation is:

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

In the long form of the periodic table, the valence shell electronic configuration of

5 s^{2} 5 p^{4}

corresponds to the element present in:

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The element that does NOT exhibits allotropy is-

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

Which statement is incorrect in context with Anthracite?

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

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

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

Which among the following does not form polyhalide ion?

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

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 - I>General Trends in Properties of p-Block Elements

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.

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

The relative order of electronegativity of

C, Ge

, and

Pb

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Chemistry>Inorganic Chemistry>p-Block Elements - I>General Trends in Properties of p-Block Elements

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 - I>General Trends in Properties of p-Block Elements

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 - I>General Trends in Properties of p-Block Elements

Catenation is the ability of

Out of the two main allotropes of tin found in nature, α-tin is found at

Important Questions on p-Block Elements - I

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Out of the two main allotropes of tin found in nature, $α$ -tin is found at