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Question 600203
JEE Chemistry · Easy

Atomic Structure: Energy Levels MCQ

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Energy LevelsEasyQuestion 600203

Question

The energy required to remove an electron from the ground state of hydrogen atom is:
  1. A
    13.6 eV
    Correct
  2. B
    3.4 eV
  3. C
    1.51 eV
  4. D
    0.85 eV

Correct answer

13.6 eV

Explanation

Ionisation energy of H = |E₁| = 13.6 eV (to ionise from n=1).

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