Atomic Structure-Quantum Mechanics (NEET Chemistry): Questions 1 - 6 of 6

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Question number: 1

» Atomic Structure » Quantum Mechanics

MCQ▾

Question

The wave-mechanical model of atom is based upon -

Choices

Choice (4) Response

a.

De Broglie concept of dual character of matter

b.

Heisenberg’s uncertainty principle

c.

Schrodinger wave equation

d.

All a. , b. and c. are correct

Question number: 2

» Atomic Structure » Quantum Mechanics

Appeared in Year: 2016

MCQ▾

Question

How many electrons can fit in the orbital for which n = 3 and l = 1?

Choices

Choice (4) Response

a.

6

b.

14

c.

2

d.

10

Question number: 3

» Atomic Structure » Quantum Mechanics

MCQ▾

Question

The ‘m’ value for an electron in an atom is equal to the number of m values for l=1, The electron may be present in

Choices

Choice (4) Response

a.

3dx2y2

b.

4dx3/z

c.

5f(x2y2)x

d.

Question does not provide sufficient data or is vague

Question number: 4

» Atomic Structure » Quantum Mechanics

MCQ▾

Question

The Schrodinger wave equation for hydrogen atom is ψ25=12π4(1a)3/2[2ra]er/a If the radial node in 2s be at r , then find r in terms of a ?

Choices

Choice (4) Response

a.

r=2a

b.

r=2+a

c.

r=a/2

d.

r=2a

Question number: 5

» Atomic Structure » Quantum Mechanics

MCQ▾

Question

Maximum value (n+l+m)for unpaired electrons in second excited state of chlorine 17Cl is?

Choices

Choice (4) Response

a.

25

b.

28

c.

18

d.

20

Question number: 6

» Atomic Structure » Quantum Mechanics

MCQ▾

Question

If m = magnetic quantum number, l=azimuthal quantum number, then?

Choices

Choice (4) Response

a.

l=2m+1

b.

m=l+2

c.

l=m12

d.

m=2l2+1

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