MCQ
The van't Hoff factor $(i)$ for a dilute aqueous solution of the strong electrolyte barium hydroxide is
- A$0$
- B$1$
- C$2$
- ✓$3$
$i=3$
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$N_2H_5 ^+ + NH_3$ $\rightleftharpoons $ $NH_4^+ + N_2H_4$
$NH_3 + HBr $ $\rightleftharpoons $ $NH_4^+ + Br^-$
$N_2H_4 + HBr$ $\rightleftharpoons $ $N_2H_5^+ + Br^-$
Based on this information, what is the order of acidic strength -