Atomic Structure [BITSAT (Birla Institute of Technology & Science Admission Test) Chemistry]: Questions 1 - 8 of 41

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Question 1

Question MCQ▾

The uncertainity in position and velocity of particle are respectively calculate the mass of the particle.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 2

Question MCQ▾

Spin magnetic moment is given by?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 3

Question MCQ▾

“The subshell with minimum energy is filled up first and when this obtains maximum quota of electron, then the next subshell of higher energy starts filling? This is

Choices

Choice (4)Response

a.

Aufbau principle

b.

Pauli՚s exclusion principle

c.

Hund՚s rule

d.

Question does not provide sufficient data or is vague

Edit

Question 4

Question MCQ▾

If the speed of electron in first orbit of hydrogen be then speed of the electron in second orbit of ?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 5

Question MCQ▾

Find the number of waver made by a Bohr electron in one complete revolution in the orbit?

Choices

Choice (4)Response

a.

4

b.

3

c.

6

d.

2

Edit

Question 6

Question MCQ▾

After filling the 4d-orbitals, an electron will enter in?

Choices

Choice (4)Response

a.

4p

b.

5p

c.

4f

d.

4s

Edit

Question 7

Question MCQ▾

Which of the following equation can be used to calculate angular momentum?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 8

Question MCQ▾

According to Aufbau principle, the correct order of energy of 3d, 4s and 4d- orbital is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit