Question

Which of the following substrates is basic in nature


(1) Vinegar
(2) Common salt solution
(3) Tap water
(4) Lime water

please give correct answer
and explain why. ​

Answer 1

Answer:

H3SbO3. Solution : when we move down the group, the acidic strength of oxo-acids decreases and the basic strength increaes.

Answer 2

Tap water is the answer