Chemical Bonding-Covalent Bonding (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 5 of 13

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Question number: 1

» Chemical Bonding » Covalent Bonding » Valence Shell

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Appeared in Year: 2016

MCQ▾

Question

Which of the following pairs of ions is isoelectronic and isostructural?

Choices

Choice (4) Response

a.

b.

,

c.

,

d.

,

Question number: 2

» Chemical Bonding » Covalent Bonding » Fajan's Rule

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Assertion-Reason▾

Question

Assertion (Ꭺ)

According to Fajan’s rule, covalent character is favored by small cation and small anion.

Reason (Ꭱ)

The magnitude of covalent character in the ionic bond depends upon the extent of polarization.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 3

» Chemical Bonding » Covalent Bonding » Fajan's Rule

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MCQ▾

Question

Choose the correct statement

Choices

Choice (4) Response

a.

Small cation has minimum capacity to polarise an anion.

b.

Small anion has maximum Polarizability.

c.

A cation with non-noble gas configuration is more polarising the cation with noble gas configuration.

d.

None of the above

Question number: 4

» Chemical Bonding » Covalent Bonding » Concept of Electronegativity

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MCQ▾

Question

Which of the following is most covalent?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Chemical Bonding » Covalent Bonding » Concept of Electronegativity

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MCQ▾

Question

The electronegativity of and are respectively. The strongest bond will be:

Choices

Choice (4) Response

a.

b.

c.

d.

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