What will be the value of $\Delta H$ for the following process?
$X_{(g)} + e^- \to X^-_{(g)}$
$X_{(g)} + e^- \to X^-_{(g)}$
- A$> 0$
- B$< 0$
- C$\ge 0$
- D$\le 0$
Explore More
Similar Questions
Identify the set of elements in which they are arranged in the increasing order of electron gain enthalpies.
Arrange $S$,$O$,and $Se$ in ascending order of electron affinity.
Easy
View SolutionMatch 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 $kJ \ mol^{-1}$) $(A)$ $F$ $(I)$ $-141$ $(B)$ $Cl$ $(II)$ $-328$ $(C)$ $O$ $(III)$ $-200$ $(D)$ $S$ $(IV)$ $-349$
| 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 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
The correct order of electron affinity is:
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo