Redox Reactions And Electrochemistry Ques 117
Question: Which of the following can act as an acid and as a base [AMU 1999]
Options:
A) $ HClO_3^{-} $
B) $ H_2PO_4^{-} $
C) $ H{{S}^{-}} $
D) All of these
Show Answer
Answer:
Correct Answer: D
Solution:
| Acid | Base |
|---|---|
| $ HClO_3^{-} $ | $ ClO_3^{2-} $ |
| $ H{{S}^{-}} $ | $ {{S}^{2-}} $ |
| $ H_2PO_4^{-} $ | $ HPO_4^{2-} $ |
