NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1180 - 1184 of 1258

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Question number: 1180

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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Assertion-Reason▾

Question

Assertion (Ꭺ)

First ionization energy for nitrogen is lower than oxygen.

Reason (Ꭱ)

Across a period effective nuclear charge decreases.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

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

d.

Ꭺ is false but Ꭱ is true

Question number: 1181

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

A given compound whose total The atomic (covalent) radius of an atom A is -

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1182

» Atomic Structure » Quantum Mechanics

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MCQ▾

Question

The ionization energy of . The energy of the first stationary state of will be –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1183

» Classification of Elements & Periodicity » Isoelectronic Species

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MCQ▾

Question

The correct decreasing order of atomic size among the following species is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1184

» Atomic Structure » Dual Nature of Matter

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MCQ▾

Question

Given and . The ionization energy of one mole of ions will be as follows-

Choices

Choice (4) Response

a.

b.

c.

d.