Question

An orbital is described with the help of a wave function. Since many wave functions are possible for an electron, there are many atomic orbitals. When atom is placed in a magnetic field the possible number of orientations for an orbital of azimuthal quantum number 3 is

A. three
B. two
C. five
D. seven  
Answer :   seven
Solution :
When $$l$$ = 3, as $${m_l} \simeq \left( {2l + 1} \right) = 7$$

Releted MCQ Question on
Physical Chemistry >> Atomic Structure

Releted Question 1

The number of neutrons in dipositive zinc ion with mass number 70 is

A. 34
B. 36
C. 38
D. 40
Releted Question 2

Rutherford’s experiment on scattering of $$a$$ -particles showed for the first time that the atom has

A. electrons
B. protons
C. nucleus
D. neutrons
Releted Question 3

Any $$p-$$orbital can accommodate upto

A. four electrons
B. six electrons
C. two electrons with parallel spins
D. two electrons with opposite spins
Releted Question 4

The principal quantum number of an atom is related to the

A. size of the orbital
B. spin angular momentum
C. orbital angular momentum
D. orientation of the orbital in space

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Atomic Structure


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