What is electron gain enthalpy?
(N/A) Electron gain enthalpy $(\Delta_{eg}H)$ is defined as the change in enthalpy when an electron is added to a neutral gaseous atom $(X)_{(g)}$ to convert it into a negative ion $(X)_{(g)}^{-}$.
The process is represented as: $X_{(g)} + e^{-} \rightarrow X_{(g)}^{-}; \Delta_{eg}H$.
The value of $\Delta_{eg}H$ can be either negative or positive depending on the element.
The process is represented as: $X_{(g)} + e^{-} \rightarrow X_{(g)}^{-}; \Delta_{eg}H$.
The value of $\Delta_{eg}H$ can be either negative or positive depending on the element.
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Which one of the elements has the maximum electron affinity?
DifficultAIPMT 1996
View SolutionThe amount of energy released for the process $X_{(g)} + e^- \to X^-_{(g)}$ is minimum and maximum respectively for :-
$(a) \ F$
$(b) \ Cl$
$(c) \ N$
$(d) \ B$
Correct answer is :-
$(a) \ F$
$(b) \ Cl$
$(c) \ N$
$(d) \ B$
Correct answer is :-
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View SolutionThe electron affinity values of elements $A, B, C$ and $D$ are respectively $-135, -60, -200$ and $-348 \ kJ \ mol^{-1}$. The outer electronic configuration of element $B$ is
Fluorine has lower electron affinity than chlorine because of
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View SolutionWhich of the following statements regarding electron affinity is correct?
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