Atomic Structure [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 14 - 19 of 128

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Question 14

Question MCQ▾

Electron density in an orbital is correctly described by –

Choices

Choice (4)Response

a.

Ψ2 / ψ

b.

ψ

c.

ψ2

d.

None of the above

Edit

Question 15

Question MCQ▾

If a particle have momentum of p = 1.60 what will be the de Broglie wavelength (m) of that particle?

Choices

Choice (4)Response

a.

500nm

b.

478nm

c.

414 nm

d.

520nm

Edit

Question 16

Question MCQ▾

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 > f > p > d

c.

f > d > p > s

d.

s > p < d > f

Edit

Question 17

Question MCQ▾

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

Choices

Choice (4)Response

a.

2.1

b.

2.1

c.

2.1

d.

2.1

Edit

Question 18

Question MCQ▾

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 - (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

Edit

Question 19

Question MCQ▾

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

Choices

Choice (4)Response

a.

3

b.

2

c.

d.

Edit