Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a weak acid ?
a. P
b. Q
c. R
d. none of these
Answers
Answered by
1
Answer:
(i) Acids have pH<7 and weak acid have pH towards 7. Therefore Q is a weak acid.
(ii) Alkalis have pH>7 and strong alkali have pH towards 14. Therefore R is a strong alkali.
Answered by
3
Answer:
B ) Q
Explanation:
Q is a weak acid
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