The amount of energy released on the addition | vedclass

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(D) The energy change that occurs when an electron is added to a neutral gaseous atom to form a negative ion is known as electron gain enthalpy. When

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Electron gain enthalpy

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(D) The energy change that occurs when an electron is added to a neutral gaseous atom to form a negative ion is known as electron gain enthalpy. When energy is released during this process,the electron gain enthalpy is negative. Ionization enthalpy is the energy required to remove an electron. Hydration enthalpy is the energy released when ions are hydrated. Electronegativity is the tendency of an atom to attract a shared pair of electrons.

List-$I$ (Element)	List-$II$ (Electron gain enthalpy in $kJ \ mol^{-1}$)
$(A)$ $F$	$(I)$ $-141$
$(B)$ $Cl$	$(II)$ $-328$
$(C)$ $O$	$(III)$ $-200$
$(D)$ $S$	$(IV)$ $-349$

The amount of energy released on the addition of an electron in the outermost shell of an atom is called:

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If the electron affinity of an element $M$ is $x \ kJ/mol$,then the ionisation potential of this element is:

Match the following elements in List-$I$ with their respective electron gain enthalpy values in List-$II$:
List-$I$ (Element) List-$II$ (Electron gain enthalpy in $kJ \ mol^{-1}$)
$(A)$ $F$ $(I)$ $-141$
$(B)$ $Cl$ $(II)$ $-328$
$(C)$ $O$ $(III)$ $-200$
$(D)$ $S$ $(IV)$ $-349$

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