Question Paper for Lecturer and Coach (School Edu. Dept.) - Comp. Exam-2025 (Chemistry) Rajasthan English MCQ Q59.The correct increasing order of energy of 2s orbital of H, Li, Na and K is — AE₂s(H) < E₂s(Li) < E₂s(K) < E₂s(Na) BE₂s(K) < E₂s(Na) < E₂s(Li) < E₂s(H) CE₂s(Na) < E₂s(K) < E₂s(Li) < E₂s(H) DE₂s(Na) < E₂s(Li) < E₂s(K) < E₂s(H) EQuestion not attempted Show answer Correct answer: E₂s(K) < E₂s(Na) < E₂s(Li) < E₂s(H)