Question

which of the following case ph is greater

Answer 1

here is your answer

1). In this no solution is greater than 7 bcoz HCl is acid having less than 7 and NaCl is a salt and is neutral therefore it's pH is around 7.

2). NaOH is having more than 7 because it is a base .

3). KOH is having more than 7 because it is a base.

4). NH3 is an acid and CH3COOH is also a acid .

Therefore 2 and 3 are correct.

Hope this helps you...

Regards

Barbie ;))