Atomic Structure-Quantum Mechanical Model of Atom (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 4 of 4

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Question number: 1

» Atomic Structure » Quantum Mechanical Model of Atom

Appeared in Year: 2011

MCQ▾

Question

The set of principal (n), azimuthal (l) and magnetic (ml) quantum numbers that is not allowed for the electron in H-atom is

Choices

Choice (4) Response
a.

n = 3, l = 1, ml = –1

b.

n = 2, l = 1, ml = 0

c.

n = 3, l = 0, ml = 0

d.

n = 2, l = 2, ml = –1

Question number: 2

» Atomic Structure » Quantum Mechanical Model of Atom

Appeared in Year: 2015

MCQ▾

Question

Maximum number of electrons that can be accommodated in the subshell with azimuthal quantum number l=4 , is

Choices

Choice (4) Response
a.

16

b.

10

c.

18

d.

8

Question number: 3

» Atomic Structure » Quantum Mechanical Model of Atom

MCQ▾

Question

A particle contains 37 electrons, 37 protons and 50 neutrons. Find the mass deficiency of this atom is the actual calculated mass is found to be 86.909187

(Mass of electron-0.00054858amu)

(Mass of proton-1.0073amu)

(Mass of neutrons-1.0087amu)

Choices

Choice (4) Response
a.

0.657amu/atom

b.

0.234amu/atom

c.

1.54amu/atom

d.

0.816amu/atom

Question number: 4

» Atomic Structure » Quantum Mechanical Model of Atom

MCQ▾

Question

Which of the following set of quantum numbers are permitted?

Choices

Choice (4) Response
a.

n = 3, = 2, m =-2, s =+1/2

b.

n = 2, =2, m =+l, s = -1/2

c.

n = 3, ℓ = 2, m =-l, s = 0

d.

n = 2, = 3, m =+l, s =- 1/2

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