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Question: Answered & Verified by Expert
A weak monoacidic base is $1.2 \%$ dissociated in its $0.2 \mathrm{M}$ solution. What is the value of dissociation constant?
ChemistryChemical EquilibriumMHT CETMHT CET 2022 (07 Aug Shift 2)
Options:
  • A $1.21 \times 10^{-5}$
  • B $1.44 \times 10^{-5}$
  • C $2.54 \times 10^{-5}$
  • D $2.88 \times 10^{-5}$
Solution:
1471 Upvotes Verified Answer
The correct answer is: $2.88 \times 10^{-5}$
$\begin{aligned} & \mathrm{K}_{\mathrm{b}}=\propto^2 \mathrm{C} \\ & =(0.012)^2 \times 0.2 \\ & =2.88 \times 10^{-5}\end{aligned}$

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