The degree of dissociation of 0.01 M solution of $\mathrm{NH}_4 \mathrm{OH}$ is $4.2 \times 10^{-2}$. What…

The degree of dissociation of 0.01 M solution of $\mathrm{NH}_4 \mathrm{OH}$ is $4.2 \times 10^{-2}$. What is the percent dissociation of $\mathrm{NH}_4 \mathrm{OH}$ ?
  1. $2.4 \%$
  2. $4.2 \%$
  3. $0.2 \%$
  4. $0.4 \%$

Solution

$\begin{aligned} \quad \text { Degree of dissociation } & =4.2 \times 10^{-2} \\ \therefore \quad \text { Percent dissociation } & =4.2 \times 10^{-2} \times 100 \\ & =4.2 \%\end{aligned}$

Asked in: MHT CET 2024 (15 May Shift 2)

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