Which of the following statements are true?
(A) The subsidiary quantum number l 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.
Held on 2 Apr 2025 · Verified 6 Jul 2026.
(B) and (D) only
(A), (B) and (C) only
(C) and (D) only
(A) and (B) only
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The ratio of mass percentage (w/w) of C : H in a hydrocarbon is $12 : 1$. It has two carbon atoms. The weight (in g) of $CO_2(g)$ formed when $3.38$ g of this hydrocarbon is completely burnt in oxygen is : (Given : Molar mass in g mol$^{-1}$ C : 12, H : 1, O : 16)
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