Table 22 $\mathrm { NaOH } \rightleftharpoons \mathrm { Na } ^ { + } + \mathrm { OH } ^ { - }$

Table 2.2 $\mathrm { NaOH } \rightleftharpoons \mathrm { Na } ^ { + } + \mathrm { OH } ^ { - }$ is a base
$\mathrm { HF } \rightleftharpoons \mathrm { H } ^ { + } + \mathrm { F } ^ { - }$ is an acid

$\mathrm { MgSO } _ { 4 } \rightleftharpoons \mathrm { Mg } ^ { 2 + } + \mathrm { SO } _ { 4 } ^ { 2 - }$ is a salt

$\mathrm { KH } _ { 2 } \mathrm { PO } _ { 4 } \rightleftharpoons \mathrm { K } ^ { + } + \mathrm { H } _ { 2 } \mathrm { PO } _ { 4 } ^ { - }$ is an acid

$\mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } \rightleftharpoons 2 \mathrm { H } ^ { + } + \mathrm { SO } _ { 4 } ^ { 2 - }$ is an acid
-Which of the following statements about the reactions in Table 2.2 is FALSE?

A) They are exchange reactions.
B) They are ionization reactions.
C) They occur when the reactants are dissolved in water.
D) They are dissociation reactions.
E) They are reversible reactions.

Correct Answer:

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