How is a neutralization reaction different from a single-displacement reaction?

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How is a neutralization reaction different from a single-displacement reaction?

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Answer 1 · 2014-05-27T01:36:59

A neutralization is not like a single replacement reaction. It is a double replacement reaction.

An acid and base neutralization involves an aqueous acid solution and an aqueous base solution combining in a double replacement reaction to form a salt and water.

Nitric acid plus calcium hydroxide yield calcium nitrate and water

$2 H N O_{3}$ $2HNO_3$ + $C a {(O H)}_{2}$ $Ca(OH)_2$ -------> $C a {(N O_{3})}_{2}$ $Ca(NO_3)_2$ + $2 H_{2} O$ $2H_2O$

$H N O_{3}$ $HNO_3$ has a leading hydrogen, usually a tip off that this is an acid
$C a {(O H)}_{2}$ $Ca(OH)_2$ has a trailing hydroxide usually a tip off that this is a base

The positive ion $C a^{+} 2$ $Ca^+2$ from the base joins the negative ion $N O_{3}$ $NO_3$ from the acid to form the salt. $C a {(N O_{3})}_{2}$ $Ca(NO_3)_2$

The $H^{+}$ $H^+$ from the acid joins the $O H^{-}$ $OH^-$ from the base to form water $H_{2} O$ $H_2O$

Since both partners in the reactants are changing to new partners in the products this is a double replacement reaction.

Always in a neutralization reaction the products are two neutral substance salt and water.

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How is a neutralization reaction different from a single-displacement reaction?

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