Dissociation constant of 0.01 M weak acid is 10^ -4 . What is percent dissociation of acid?

MHT CET 2025 Chemistry question

Dissociation constant of 0.01 M weak acid is . What is percent dissociation of acid?

Answer: (C)

For a weak acid HA of concentration and dissociation degree (Ostwald dilution law, ): . So

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Question ID VK-103119