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.