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Question: Answered & Verified by Expert
In the equilibrium, $A B \rightleftharpoons A+B$, if the equilibrium concentration of $A$ is double, then equilibrium concentration of $B$ will be
ChemistryChemical EquilibriumCOMEDKCOMEDK 2021
Options:
  • A half
  • B twice
  • C $\frac{1}{4}$ th
  • D $\frac{1}{8}$ th
Solution:
2835 Upvotes Verified Answer
The correct answer is: half
$A B \rightleftharpoons A+B$
or $K=\frac{[A][B]}{[A B]}$
if concentration of $A$ is doubled, the equilibrium concentration of $B$ becomes half to maintain $K$ constant.

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