Question

Q.A solution gives pink colour
with phenolphthalein.Its ph is likely to be:
a)1
b)5
c)7
d)12​

Answer 1

Answer:

Solution A gives pink color when a drop of phenolphthalein indicator is added to it, hence, it is a basic solution and pH range in between 9-10. Solution B gives red color when a drop of methyl orange is added to it, hence, it is an acidic solution and pH range in between 4-6.

Answer 2

Answer:

d) 12

Explanation:

Because phenolphthalein turns pink in bases and pH 12 is a base.