S Block Elements Question 304

Question: Which one of the following is not an amphoteric substance

[KCET 2004]

Options:

A) $ HNO_3 $

B) $ HCO_3^{-} $

C) $ H_2O $

D) $ NH_3 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ HNO_3 $ is the strong oxidising acid so it react with alkali while rest can be react with both and alkali.