2H 2 O ⇌ H 3 O + + OH – , K w = 1 × 10 –14 at 25ºC hence K a is:
Chemistry · JEE Main · NTA Exams — Equilibrium
2H2O \(\text { ⇌ }\) H3O+ + OH–, Kw = 1 × 10–14 at 25ºC hence Ka is:
- 1 × 10–14
- 5.55 × 10–3
- 18 × 10–17
- 1.00 × 10–7
Answer
(C) 18 × 10 –17
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