Q.9: Five solutions A, B, C, D, and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively…| Unit2 Chemistry NCERT solution-Grade-10

Q.9: 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.

 

Answer:-

(a) D (b) C (c) B (d) A (e) E.

pH in increasing order of H+ ions concentration:
C (11) < E (9) < D (7) < A (4) < B (1).