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Test: Quantum Mechanical Model of Atom - 2 - Question 1

The probability of finding out an electron at a point within an atom is proportional to the

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Test: Quantum Mechanical Model of Atom - 2 - Question 2

Two electrons present in M shell will differ in

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Test: Quantum Mechanical Model of Atom - 2 - Question 3

What is the lowest value of n that allows g orbital to exist?

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Test: Quantum Mechanical Model of Atom - 2 - Question 4

How many subshells and electrons are associated with n = 4?

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Test: Quantum Mechanical Model of Atom - 2 - Question 5

An electron is in one of the 3d-orbitals. What are the possible values of n, l and m for this electron?

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Test: Quantum Mechanical Model of Atom - 2 - Question 6

What are the possible values of n, l and m_{l} for an atomic orbital 4f?

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Test: Quantum Mechanical Model of Atom - 2 - Question 7

Describe the orbital with following quantum numbers:

(i) n = 3, l = 2

(ii) n = 4 , l = 3

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Test: Quantum Mechanical Model of Atom - 2 - Question 8

How many electrons in an atom have the following quantum numbers?

n = 4, s = -1/2

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Test: Quantum Mechanical Model of Atom - 2 - Question 9

In how many elements the last electron will have the following set of quantum numbers, n = 3 and l = 1?

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Test: Quantum Mechanical Model of Atom - 2 - Question 10

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:

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Test: Quantum Mechanical Model of Atom - 2 - Question 11

What will be the orbital angular momentum of an electron in 2s-orbital?

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Test: Quantum Mechanical Model of Atom - 2 - Question 12

Two values of spin quantum numbers i.e., +1/2 and -1/2 represent

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Test: Quantum Mechanical Model of Atom - 2 - Question 13

The 3d-orbitals having electron density in all the three axes is

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Test: Quantum Mechanical Model of Atom - 2 - Question 14

The number of radial nodes and angular nodes for d-orbital can be represented as

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Test: Quantum Mechanical Model of Atom - 2 - Question 15

Few statements are given regarding nodes in the orbitals. Mark the statement which is not correct.

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Test: Quantum Mechanical Model of Atom - 2 - Question 16

Which of the following is not a correct statement regarding the energies of orbitals?

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Test: Quantum Mechanical Model of Atom - 2 - Question 17

Few electrons have following quantum numbers,

(i) n = 4, l = 1

(ii) n = 4, l = 0

(iii) n = 3, l = 2

(iv) n = 3, l = 1

Arrange them in the order of increasing energy from lowest to highest.

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Test: Quantum Mechanical Model of Atom - 2 - Question 18

An electron can enter into the orbital when

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Test: Quantum Mechanical Model of Atom - 2 - Question 19

How many orbitals in total are associated with 4^{th} energy level?

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Test: Quantum Mechanical Model of Atom - 2 - Question 20

The orbital diagram in which the Aufbau principle is violated is

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Test: Quantum Mechanical Model of Atom - 2 - Question 21

Which of the sequences given below shows the correct increasing order of energy?

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Test: Quantum Mechanical Model of Atom - 2 - Question 22

What is the electronic configuration of O^{2-} ion?

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Test: Quantum Mechanical Model of Atom - 2 - Question 23

Which atom (X) is indicated by the following configuration?

X → [Ne] 3s^{2} 3p^{3}

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Test: Quantum Mechanical Model of Atom - 2 - Question 24

Which of the following configurations represents the most electronegative element?

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Test: Quantum Mechanical Model of Atom - 2 - Question 25

Which of the following configurations represents a noble gas?

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Test: Quantum Mechanical Model of Atom - 2 - Question 26

An element has 13 electrons in its M shell and 1 electron in N shell in ground state. Identify the element.

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Test: Quantum Mechanical Model of Atom - 2 - Question 27

The configuration of the valence orbital of an element with atomic number 22 is

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Test: Quantum Mechanical Model of Atom - 2 - Question 28

Which of the following quantum numbers are correct for the outermost electron of sodium atom?

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Test: Quantum Mechanical Model of Atom - 2 - Question 29

Which of the following configurations does not follow Hund’s rule of maximum multiplicity?

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Test: Quantum Mechanical Model of Atom - 2 - Question 30

Read the following statements and mark the incorrect statement.

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