MCQ
The heat of neutralisation will be highest in
- A$N{H_4}OH$ and $C{H_3}COOH$
- B$N{H_4}OH$ and $HCl$
- C$KOH$ and $C{H_3}COOH$
- ✓$KOH$ and $HCl$
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$NO^-_3, CO^{2-}_3 ,CO^-_3 ,SO_3$

$2NH_3 + 5F_2\,\,\to \,\, N_2F_4 + 6HF$
$\mathrm{A}_{2}(\mathrm{g})+\mathrm{B}_{2}(\mathrm{g}) \rightleftharpoons \mathrm{X}_{2}(\mathrm{g}) \Delta_{r} \mathrm{H}=-\mathrm{X} \mathrm{kJ} ?$