What is the pH of CH3COO–NH4+ salt?
Given Ka of CH3COOH = 1.8 × 10–6
Kb of NH4OH = 1.8 × 10–6
(At 25°C)
What is the pH of CH3COO–NH4+ salt?
Given Ka of CH3COOH = 1.8 × 10–6
Kb of NH4OH = 1.8 × 10–6
(At 25°C)
Option 1 -
7
Option 2 -
9
Option 3 -
8.9
Option 4 -
7.8
Asked by Shiksha User
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1 Answer
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Correct Option - 1
Detailed Solution:pKa = pKb
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A
alok kumar singh
(x/m) = k (P)¹/?
log (x/m) = log k + (1/n) log P
Slope = 1/n = 2 So n = ½
Intercept ⇒ log k = 0.477 So k = Antilog (0.477) = 3
So (x/m) = k (P)¹/? = 3 [0.04]² = 48 × 10?
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