For which of the following reactions is the $\Delta H^o$ value equal to the first ionization energy of $Ca$?
- A$Ca^{+}_{(g)} \to Ca^{2+}_{(g)} + e^-$
- B$Ca_{(g)} \to Ca^{+}_{(g)} + e^-$
- C$Ca_{(s)} \to Ca^{+}_{(g)} + e^-$
- D$Ca_{(g)} \to Ca^{2+}_{(g)} + 2e^-$
Explore More
Similar Questions
Explain why there is a phenomenal decrease in ionisation enthalpy from carbon to silicon.
Medium
View SolutionThe correct sequence of elements in decreasing order of first ionisation energy is
Easy
View SolutionIf first ionization enthalpy $(\Delta_i H)$ values of $Na$,$Mg$ and $Si$ are respectively $496$,$737$ and $786 \ kJ \ mol^{-1}$,the first ionization enthalpy value of $Al$ (in $kJ \ mol^{-1}$) will be
Which of the following pairs has a higher ionization enthalpy?
$(i)$ $Ne$ or $Ar$ $(ii)$ $Cl$ or $F$ $(iii)$ $F$ or $O$ $(iv)$ $N$ or $O$
$(v)$ $Na$ or $K$ $(vi)$ $Cl$ or $S$ $(vii)$ $Kr$ or $Xe$ $(viii)$ $P$ or $S$
$(i)$ $Ne$ or $Ar$ $(ii)$ $Cl$ or $F$ $(iii)$ $F$ or $O$ $(iv)$ $N$ or $O$
$(v)$ $Na$ or $K$ $(vi)$ $Cl$ or $S$ $(vii)$ $Kr$ or $Xe$ $(viii)$ $P$ or $S$
Medium
View SolutionThe incorrect statement 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