MCQ
The $pH$ of solution having $[O{H^ - }] = {10^{ - 7}}$ is
- ✓$7$
- B$14$
- C$0$
- D$ - 7$
$\because \,[O{H^ - }] = {10^{ - 7}}$
$pOH = 7$
$\therefore \,pH = 14 - 7 = 7$.
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$\Delta H_f^o[CO_2,g] = -394 \,kJ/mol$
$\Delta H_f^o[H_2O,l] = -286\, kJ/mol$
$\Delta H_f^o [propene ,g] = 20\,kJ/mol$
cyclopropane $(g)$ $\to$ propene $(g)$ ; $\Delta H^o_{isomerisation} = $ $-33\,kJ/mol$.
Calculate $\Delta H^o_{combustion}$ [cyclopropane, $(g)$]
......$ kJ/mol$