NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1156 - 1162 of 1258

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Question number: 1156

» Atomic Structure » Quantum Mechanics

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MCQ▾

Question

The ionization energy of hydrogen atom is . What will be the ionization energy of ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1157

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

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Assertion-Reason▾

Question

Assertion (Ꭺ)

The atomic radii of calcium is smaller than sodium.

Reason (Ꭱ)

Calcium has a lower nuclear charge than sodium

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

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

Question number: 1158

» Atomic Structure » Dual Nature of Matter

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MCQ▾

Question

An oil drop has charge. Find out the number of electrons in this drop -

Choices

Choice (4) Response

a.

8

b.

4

c.

6

d.

3

Question number: 1159

» Classification of Elements & Periodicity » Ionization Enthalpy

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MCQ▾

Question

Which of the following relation is correct?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1160

» Classification of Elements & Periodicity » Isoelectronic Species

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MCQ▾

Question

Which oxide of N is isoelectronic with ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1161

» Atomic Structure » Bohr Model of Hydrogen Atom

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MCQ▾

Question

Find out the number of wave made by a Bohr electron in one complete revolution in its 3rd orbit of hydrogen atom -

Choices

Choice (4) Response

a.

6

b.

8

c.

3

d.

4

Question number: 1162

» Atomic Structure » Spectrum of Hydrogen Atom

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MCQ▾

Question

The shortest wavelength in H spectrum of Lyman series when is -

Choices

Choice (4) Response

a.

b.

c.

d.