Question

20 mL of 0.1 M H₂SO₄ is added to 30 mL of 0.2 M NH₄OH solution. The pH of the resultant mixture is [ᵖᵏb of NH₄OH = 4.7]
(A) 5.2 (B) 9.0
(C) 5.0 (D) 9.4
[JEE Main 2019]

Answer 1

Answer:

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20 mL of 0.1 M H₂SO₄ is added to 30 mL of 0.2 M NH₄OH solution. The pH of the resultant mixture is [ᵖᵏb of NH₄OH = 4.7]

(A) 5.2

(B) 9.0

(C) 5.0

(D) 9.4

Answer 2

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9.4 ✅✅