MCQ
Identify the correct reactivity order for $E_2$ reaction with alc. $KOH$


- A$i > ii > iii$
- ✓$ii > i > iii$
- C$i > iii > ii$
- D$iii > i > ii$

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$ H_2(g) + Cl_2(g) \to 2HCl(g), \Delta H^o = -185\, kJ$
What is $\Delta U^o$ for this reaction? .....$kJ$