Redox Reactions And Electrochemistry Question 124

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-} $


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