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The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid HA (Ka = 2 x 10⁻⁵) is close to
Options
(a) 2 x 10⁻⁵
(b) 2 x 10⁻⁴
(c) 2 x 10⁻³
(d) 2 x 10⁻²
Correct Answer:
2 x 10⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(104)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- By which one of the following compounds both CH₄ and CH₃ – CH₃ can be prepared
- 300 mL of a gas at 27⁰C is cooled to -3⁰C at constant pressure
- If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹
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- When ethanol is subjected to dehydration in presence of H₂SO₄, the
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Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Apply (H+ = k (ionisation constant of weak acid)× c(concentration))
Apply (H+ = k (ionisation constant of weak acid)× concentration ))