IIT JEE / PMT Test Series : Module 2 : +1 : Chemistry : Atomic Sturcture

A-Q, B-S, C-P, D-R
A-R, B-S, C-Q, D-P
A-P, B-Q, C-R, D-S
A-P, B-R, C-S, D-Q

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true

kinetic energy
potential energy
total energy
probability of finding electrons

energy levels
C, D,
A,B & D
Normal type of MCQ with one correct option The wavelength of a spectral line for an electronic transition is inversely related to :
No. of electrons undergoing transition
The nuclear charge of the atom
The velocity of an electron undergoing transition
the difference in the energy levels involved in the transition
Normal type of MCQ with one correct option Of the following, which of the statement(s) regarding Bohr theory is wrong:
Kinetic energy of an electron is half of the magnitude of its potential energy
Kinetic energy of an electron is negative of total energy of electron
Energy of electron decreases with increase in the value of the principal quantum number
The ionization energy of H-atom in the first excited state is negative of one fourth of the energy of an electron in the ground state.

3, 6
6, 3
7, 3
3, 8

9 x/2

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Prakash Singh


1848 days 4 hours 13 minutes ago


For q.5

l = 0, s-orbital,
m = 2l 1, has one value.
But that value is not 1 but 0 (remember that zero counts too !!).So m=0 will be appropriate

4146 days 6 hours 33 minutes ago

Akanksha Dubey

yaaaaaa.....ans to 5th ques shuld be B...

4187 days 4 hours 14 minutes ago


ok ok test

4269 days 22 hours 31 minutes ago



4356 days 2 hours 34 minutes ago


nice test

4356 days 8 hours 42 minutes ago

Aman kumar

answer to ques no 5 should be B part

4470 days 23 hours 22 minutes ago

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