Atomic Structure (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Chemistry): Questions 11 - 14 of 30

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Question number: 11

» Atomic Structure » Bohr Model of Hydrogen Atom

Appeared in Year: 2013

MCQ▾

Question

The radii of the first Bohr orbit of H (Equation ), Equation (Equation ) and Equation (Equation ) are in the order

Choices

Choice (4) Response

a.

Equation > Equation > Equation

b.

Equation < Equation < Equation

c.

Equation > Equation > Equation

d.

Equation < Equation < Equation

Question number: 12

» 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 numberEquation , is

Choices

Choice (4) Response

a.

16

b.

10

c.

18

d.

8

Question number: 13

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

If the energy difference between the ground state of an atom and its excited state isEquation , what is the wavelength of the photon required producing this transition.

Choices

Choice (4) Response

a.

4.517×10 - 7m

b.

Equation

c.

Equation

d.

4.517×107m

Question number: 14

» 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

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