JEE Main 2024 (Online) 1st February Morning Shift | Structure of Atom Question 17 | Chemistry

According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron $(\lambda)$ and momentum of electron $(p)$?

JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 1

JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 2

JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 3

JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 4

JEE Main 2024 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

The four quantum numbers for the electron in the outer most orbital of potassium (atomic no. 19) are

$$\mathrm{n}=3, l=0, \mathrm{~m}=1, \mathrm{~s}=+\frac{1}{2}$$

$$\mathrm{n}=4, l=0, \mathrm{~m}=0, s=+\frac{1}{2}$$

$$\mathrm{n}=2, l=0, \mathrm{~m}=0, s=+\frac{1}{2}$$

$$\mathrm{n}=4, l=2, \mathrm{~m}=-1, s=+\frac{1}{2}$$

JEE Main 2024 (Online) 30th January Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement (I) : The orbitals having same energy are called as degenerate orbitals.

Statement (II) : In hydrogen atom, 3p and 3d orbitals are not degenerate orbitals.

In the light of the above statements, choose the most appropriate answer from the options given below :

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Both Statement I and Statement II are false

Both Statement I and Statement II are true

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

Match List I with List II

	List - I (Spectral Series for Hydrogen)		List - II (Spectral Region/Higher Energy State)
(A)	Lyman	(I)	Infrared region
(B)	Balmer	(II)	UV region
(C)	Paschen	(III)	Infrared region
(D)	Pfund	(IV)	Visible region

Choose the correct answer from the options given below:

A-II, B-IV, C-III, D-I

A-I, B-III, C-II, D-IV

A-II, B-III, C-I, D-IV

A-I, B-II, C-III, D-IV

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