The species among the following, which can act as an acid and a base is [AIEEE 2002; KCET 2005]

The species among the following, which can act as an acid and a base i

1.	The species among the following, which can act as an acid and a base is [AIEEE 2002; KCET 2005]
A.	\[HSO_{4}^{-}\]
B.	\[SO_{4}^{2-}\]
C.	\[{{H}_{3}}{{O}^{+}}\]
D.	\[C{{l}^{-}}\]
Answer» B. \[SO_{4}^{2-}\]

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The species among the following, which can act as an acid and a base is [AIEEE 2002; KCET 2005]

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