Atomic Structure (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 16 - 20 of 73

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Question number: 16

» Atomic Structure » Rules for Filling Electrons in Orbitals

MCQ▾

Question

for a given value of n (principal quantum number), the energy of different subshells can be arranged in the order of:

Choices

Choice (4) Response

a.

f > p > d > s

b.

s > p < d > f

c.

s > f > p > d

d.

f > d > p > s

Question number: 17

» Atomic Structure » Heisenberg Uncertainty Principle

MCQ▾

Question

Uncertainty in position of a minute particle of mass 25g in space is 1Equation m. The uncertainty in its velocity (in m/s) is

Choices

Choice (4) Response

a.

2.1Equation

b.

2.1Equation

c.

2.1Equation

d.

2.1Equation

Question number: 18

» Atomic Structure » Electronic Configuration of Elements

MCQ▾

Question

Choose the correct options -

Choices

Choice (4) Response

a.

For other canonical conjugates of motion, the equation for Heisenberg’s uncertainty principle may give which is - Equation (for energy and time)

b.

The maximum number of an electron in any energy level is 2n2

c.

The maximum number of electrons placed in a subshell is given by 2 (2ℓ + 1)

d.

Both b. and c. are correct

Question number: 19

» Atomic Structure » Hund's Rule

MCQ▾

Question

The total angular momentum (l) resulting from a d7 configuration is –

Choices

Choice (4) Response

a.

Equation

b.

2

c.

Equation

d.

3

Question number: 20

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

The wavelength of a 150 g rubber ball moving with velocity 50 m sec-1 is -

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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