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Acids, bases and salt
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04/09/2021 12:17 pm
Topic starter
Five solutions A, B, C, D and E when tested with universal indicator show pH as 4, 1, 11, 7 and 9, respectively. Which solution is:
(a) neutral
(b) strongly alkaline
(c) strongly acidic
(d) weakly alkaline
(e) weakly acidic
Arrange the pH in increasing order of H+ concentration.
1 Answer
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04/09/2021 12:24 pm
(a) Neutral: D with pH = 7
(b) Strongly alkaline: C with pH = 11
(c) Strongly acidic: B with pH = 1
(d) Weakly alkaline: E with pH = 9
(e) Weakly acidic: A with pH = 4
Increasing order of H+ concentration:
C < E < D < A < B