Table 22
Refer to These Reactions to Answer the Question Below

question 20

Multiple Choice

Table 2.2
Refer to these reactions to answer the question below.

$\begin{array}{l}\mathrm{NaOH} \rightleftharpoons \mathrm{Na}^{+}+\mathrm{OH}^{-}-\text {base } \\ \mathrm{HF} \rightleftharpoons \mathrm{H}^{+}+\mathrm{F}^{-}-\text {acid } \\ \mathrm{MgSO}_{4} \rightleftharpoons \mathrm{Mg}^{2+}+\mathrm{SO}_{4}^{2-} \text { - salt } \\ \mathrm{KH}_{2} \mathrm{PO}_{4} \rightleftharpoons \mathrm{K}^{+} \mathrm{H}_{2} \mathrm{PO}_{4}^{-} \text {- acid } \\ \mathrm{H}_{2} \mathrm{SO}_{4} \rightleftharpoons 2 \mathrm{H}^{+}+\mathrm{SO}_{4}^{2-} \text { - salt }\end{array}$

-Which of the following is not true about the reactions in Table 2.2?

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

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Definitions:

Conjunction

A logical operator that connects two propositions or statements and requires both to be true in order for the whole conjunction to be true.

Probability Calculus

A branch of mathematics dealing with calculating the likelihood of various outcomes in uncertain situations.

Complex Event Probabilities

The calculation of the likelihood of outcomes that involve two or more independent events occurring.

Intuitive Judgment

A decision-making process that relies on immediate, gut reactions rather than deliberate, logical analysis.