JEE Main 2022 Chemistry question
Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Energy of 2s orbital of hydrogen atom is greater than that of 2s orbital of lithium. Reason R: Energies of the orbitals in the same subshell decrease with increase in the atomic number. In the light of the above statements, choose the correct answer from the options given below.
Answer: (1)
Solution
As the atomic number increases, the nuclear charge increases and the potential energy of the electrons in the same shell becomes more negative (E = −13.6 eV), so the
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