Question

Consider the following changes
A→ A⁺ + e⁻ : E₁ and A⁺ →A²⁺ e⁻ : E₂
The energy required to pull out the two electrons are E₁ and
E₂ respectively. The correct relationship between two
energies would be
(a) E₁ < E₂ (b) E₁ = E₂
(c) E₁ > E₂ (d) E₁≥E₂

Answer 1

Explanation:

The energy required to pull out the two electrons are E₁ and

E₂ respectively. The correct relationship between two

energies would be E₁ < E₂

Answer 2

The correct relationship between two  energies would be E₁ < E₂.

Option (A) is correct.

Explanation:

Consider the following changes

A→ A⁺ + e⁻ : E₁ and A⁺ →A²⁺ e⁻ : E₂

The energy required to pull out the two electrons are E₁ and

E₂ respectively.

• E1 is the first ionization energy. E2 is the second ionization energy.
• First ionization energy is low as it is required to remove the first electron.
• After removal of first the ion becomes positively charged and more energy is required to remove the second electron.

Thus the correct relationship between two  energies would be E₁ < E₂

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What is ionization energy  ?

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