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A solution with pH = 2 is more acidic then one with a pH = 6 , by a factor
Options
(a) 4000
(b) 5000
(c) 8000
(d) 10000
Correct Answer:
10000
Explanation:
pH = -log[H⁺] ,
⇒ 2 = -log[H⁺]₁, and 6 = -log [H⁺]₂
⇒ log[H⁺]₁/log[H⁺]₂ = 10⁻²/10⁻⁶ = 10⁴ = 10,000.
Therefore,acidity is more in pH = 2 than pH = 6 by an order of 10,000.
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two chemicals having same chemical formula but different arrangement of atoms
- If KMnO₄ is reduced by oxalic caid, in an acidic medium, then oxidation number of Mn changes from
- 6.4 g SO₂ at 0⁰C and 0.99 atm pressure occupies a volume of 2.24 L
- The reaction : Ag²⁺(aq) + Ag(s) ⇌ 2Ag⁺(aq) is an example of
- In the chemical reaction 2SO₂ + O₂ ⇌ 2SO₃, increasing the total pressure leads to
Topics: Equilibrium (104)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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