Which of the following statements are true ? (A) The subsidiary quantum number describes the shape of the orbital occupied by the electron. (B) is the boundary surface diagram of the 2px orbital. (C)

Question

Which of the following statements are true ? (A) The subsidiary quantum number describes the shape of the orbital occupied by the electron. (B) is the boundary surface diagram of the 2px orbital. (C) The + and – signs in the wave function of the 2px orbital refer to charge. (D) The wave function of 2px orbital is zero everywhere in the xy plane. Choose the correct answer from the options given below :

(A) (A), (B) and (C) only
(B) (B) and (D) only
(C) (C) and (D) only
(D) (A) and (B) only

Prashant Kotian · Accepted Answer

Correct answer: D. (C) Sign (+) & (–) represent mathematical sign (sign of angular part of wave function of orbital), not charge. (D) The wave function of 2px orbital is zero everywhere in the yz plane.

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