Question

Accumulation of lactic acid (HC₃H₅O₃), a monobasic acid in
tissues leads to pain and a feeling of fatigue. In a 0.10 M
aqueous solution, lactic acid is 3.7% dissociated. The value
of dissociation constant, Kₐ, for this acid will be:
[NEET Kar. 2013]
(a) 2.8 × 10⁻⁴ (b) 1.4 × 10⁻⁵
(c) 1.4 × 10⁻⁴ (d) 3.7 × 10⁻⁴

Answer 1

Answer:

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Explanation:

Accumulation of lactic acid (HC₃H₅O₃), a monobasic acid in

tissues leads to pain and a feeling of fatigue. In a 0.10 M

aqueous solution, lactic acid is 3.7% dissociated. The value

of dissociation constant, Kₐ, for this acid will be:

[NEET Kar. 2013]

(a) 2.8 × 10⁻⁴

(b) 1.4 × 10⁻⁵

(c) 1.4 × 10⁻⁴

(d) 3.7 × 10⁻⁴

Answer 2

Answer:

(d) 3.7×10-⁴

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