Which one of the following is an acidic salt? | Chemistry | SolveeIt

Which one of the following is an acidic salt?

$N{{a}_{2}}S$

$N{{a}_{2}}S{{O}_{3}}$

$NaHS{{O}_{3}}$

$N{{a}_{2}}S{{O}_{4}}$

Answer

$NaHS{{O}_{3}}$

Explanation

$NaHS{{O}_{3}}$ is an acidic salt as it has a replaceable hydrogen atom. $NaHS{{O}_{3}}+NaOH\xrightarrow{{}}N{{a}_{2}}S{{O}_{3}}+{{H}_{2}}O$

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