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Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9 respectively. Which solution is (a) neutral? (b) strongly alkaline? (c) strongly acidic? (d) weakly acidic? (e) weakly alkaline? Arrange the pH in increasing order of hydrogen ion concentration.

Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9 respectively. Which solution is
           (a) neutral?           (b) strongly alkaline?
           (c) strongly acidic?           (d) weakly acidic?
           (e) weakly alkaline?
           Arrange the pH in increasing order of hydrogen ion concentration.

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5968 Points
8 months ago
Dear Student

(i) A with pH = 4 is weakly acidic
B with pH = 1 is strongly acidic
C with pH = 11 is strongly alkaline
D with pH = 7 is neutral
E with pH = 9 is weakly alkaline
(ii) (a) ‘D’ with pH = 7 is neutral
(b) lC with pH = 11 is strongly alkaline
(c) ‘B’ with pH = 1 is strongly acidic
(d) A’ with pH = 4 is weakly acidic
(e) ‘E’ with pH = 9 is weakly alkaline
(iii) pH in increasing order of hydrogen ion concentration

​Thanks

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