Question
Define acid and base. Give examples.
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Answer
Acid : A hydrogen containing substance which gives $H ^{+}$ions in aqueous solution is called an acid.
For example, $HCl , CH _3 COOH$, etc.
$HCl _{( aq )} \longrightarrow H _{( aq )}^{+}+ Cl _{( aq )}^{-}$
Base: A substance that contains $OH$ group and produces hydroxide ions $\left( OH ^{-}\right)$in aqueous solution is called a base.
$NaOH _{( aq )} \longrightarrow Na _{( aq )}^{+}+ OH _{( aq )}^{-}$
For example, $HCl , CH _3 COOH$, etc.
$HCl _{( aq )} \longrightarrow H _{( aq )}^{+}+ Cl _{( aq )}^{-}$
Base: A substance that contains $OH$ group and produces hydroxide ions $\left( OH ^{-}\right)$in aqueous solution is called a base.
$NaOH _{( aq )} \longrightarrow Na _{( aq )}^{+}+ OH _{( aq )}^{-}$
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