MCQ
Which of the following exhibits the weakest intermolecular forces
- ✓$He$
- B$HCl$
- C$N{H_3}$
- D${H_2}O$
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take place in two steps :
$(a)$ $Br^{-} + H^{+} + H_2O_2 \xrightarrow{{slow}} HOBr + H_2O$
$(b)$ $HOBr + Br^{-} + H^{+} \xrightarrow{{fast}} H_2O + Br_2$
The order of the reaction is

Calculate $\Delta {T_b}$ if ${K_f} = 1.86$ and ${K_b} = 0.521$.
