Question

39. Which of the following process refers to ionisation potential?
1) X(g) -> +X + -e
2) X(g) + aq → X+ (aq)+ e
3) Xo) → X+8) +e-
4) X(g) + e X )
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Answer 1

Answer:

Option

1

Explanation:

Ionisation potential is the enthalpy change when the outer most electron is removed from an isolated gaseous atom in its ground state

Answer 2

X(g) ⇒  $X^{+} (g)$+ $e^{-}$ is the equation which refers to the ionization potential

Explanation:

• The first ionization potential is the lowest energy that should be given to an atom from outside to tear the ground state electron away.
• Ionization potential is the potential difference corresponding to the energy in electron volts that is just sufficient to ionize a gas molecule or to remove an electron completely
• The energy change for the process X(g)⇒  $X^{+} (g)$ + $e^{-}$
• The energy change corresponds to the first ionization potential

• It is the minimum amount of energy required to remove an electron from the last orbit of an isolated (free) atom in the gaseous state.

X(g)⇒  $X^{+} (g)$ + $e^{-}$is the required equation which refers to the ionization potential.

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