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JEE Main 20252 AprilEvening Shift
Exam
JEE Main
Year
2025
Date
2 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Structure of Atom

JEE Main 2025 · 2 April · Evening Shift · Chemistry · Structure of Atom

Which of the following statements are true? (A) The subsidiary...

Which of the following statements are true?
(A) The subsidiary quantum number ll describes the shape of the orbital occupied by the electron.
(B)
Which of the following statements are true? (A) The subsidiary quantum number l describes the shape of the orbital
is the boundary surface diagram of the 2px2 p_x orbital.
(C) The + and - signs in the wave function of the 2px2 \mathrm{p}_{\mathrm{x}} orbital refer to charge.
(D) The wave function of 2px2 p_x orbital is zero everywhere in the xy plane.

Options

  1. A(B) and (D) only
  2. B(A), (B) and (C) only
  3. C(C) and (D) only
  4. D(A) and (B) only

Correct answer

D. (A) and (B) only

Step-by-step solution

(A) Azimuthal quantum number (ℓ)(\ell) indicates the shape of orbital occupied by the electron
(B)
Which of the following statements are true? (A) The subsidiary quantum number l describes the shape of the orbital
px\mathrm{p}_{\mathrm{x}} orbital
(C) The + and - sign in the wave function of 2px2 p_x orbital refer to the sign (Phase) of the wave function, not the charge
(D) The wave function of 2px2 p_x orbital will be zero in yz plane (Nodal plane).
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