The first ionisation potential of

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Question:

The first ionisation potential of $\mathrm{Na}$ is $5.1 \mathrm{eV}$. The value of electron gain enthalpy of $\mathrm{Na}^{+}$will be?

  1. $-2.55 \mathrm{eV}$

  2. $-5.1 \mathrm{eV}$

  3. $-10.2 \mathrm{eV}$

  4. $+2.55 \mathrm{eV}$

Correct Option: , 4

Solution:

Solution Not Required

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