Principle QN (n)n=1n=2n=3n=4 Azimuthal QN (l)0010120123 Possible values (n−1) Subshell sspspdspdf So, for n=2,l=1, orbital is 2p for n=3,l=2, orbital is 3d for n=3,l=0, orbital is 3 s for n=2,l=0, orbital is 2s
NEET UG 2022 — Chemistry Physical Chemistry
Match List-I with List-II: 
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Held on 30 Apr 2022 · Verified 9 Jul 2026.
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
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The unit of rate constant for a first-order reaction is:
For the reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g), ΔH = -198 kJ. Which condition favours forward reaction?
$\begin{aligned} &\text { Consider the following compounds: }\\ &\mathrm{\underline{K}O}_2, \mathrm{H}_2 \mathrm{\underline{O}}_2 \text { and } \mathrm{H}_2 \mathrm{\underline{S}O}_4 \text {. } \end{aligned}$ The oxidation states of the underlined elements in them are, respectively,
5 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure X and Y are 63 torr and 78 torr respectively. Which of the following is true regarding the described solution?
For the reaction $\mathrm{A}(\mathrm{g}) \rightleftharpoons 2 \mathrm{~B}(\mathrm{~g})$, the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500 , at 1000 K . [Given : $\mathrm{R}=0.0831 \mathrm{~L} \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$ ] $\mathrm{K}_{\mathrm{p}}$ for the reaction at 1000 K is
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