Question

An acid HA ionises as
HA ⇋ H⁺ + A⁻
The pH of 1.0 M solution is 5. Its dissociation constant
would be :
(a) 5 (b) 5 ×10⁻⁸ (c) 1×10⁻⁵ (d) 1×10⁻¹⁰

Answer 1

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(a) 5

Answer 2

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(a) 5

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