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Question

Chemistry Question on Acids and Bases

What is the conjugate base of HSO4−\text{HSO}_{4}^{-} ?

A

H2SO4{{H}_{2}}S{{O}_{4}}

B

HSO42−HSO_{4}^{2-}

C

SO42−SO_{4}^{2-}

D

H+{{H}^{+}}

Answer

SO42−SO_{4}^{2-}

Explanation

Solution

The correct option is(C): SO42−\text{SO}_{4}^{2-}

The conjugate base of HSO4−\text{HSO}_{4}^{-} is SO42−\text{SO}_{4}^{2-} as HSO4−+H2O→H3O++SO42−HSO_{4}^{-}+{{H}_{2}}O\xrightarrow{{}}{{H}_{3}}{{O}^{+}}+SO_{4}^{2-}