Reactions in Aqueous Solutions — Quiz

Question 1

Which substance is a strong electrolyte?

Revolt · Accepted Answer

Ba OH sub 2

Question 2

Which chemical reaction involves the production of a gas?

Revolt · Accepted Answer

Zn times s plus 2 HCl aq rightarrow cap h sub 2 of g plus ZnCl sub 2 times aq

Question 3

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute?

Revolt · Accepted Answer

a weak electrolyte

Question 4

Which is an example of dissociation?

Revolt · Accepted Answer

Ca sub 3 open paren PO sub 4 close paren sub 2 rightarrow 3 Ca raised to the 2 plus power plus 2 PO sub 4 raised to the 3 minus power

Question 5

In which process do ionic compounds separate into their oppositely charged constituent ions when they are dissolved in water?

Revolt · Accepted Answer

dissociation

Question 6

Which is a characteristic of a weak electrolyte?

Revolt · Accepted Answer

It partially dissociates or ionizes in water.

Question 7

The table shows the characteristics of four substances after they are placed in water. Substance Ion concentration Electrical conductivity W Medium Good X Low Poor Y High Excellent Z None None Which compound is most likely the strongest electrolyte?

Revolt · Accepted Answer

Y

Question 8

Nonelectrolytes fail to ionize or dissociate in water because

Revolt · Accepted Answer

they are very strongly bonded to each other.

Question 9

Which formula represents a double displacement reaction?

Revolt · Accepted Answer

Pb open paren NO sub 3 close paren sub 2 aq plus 2 HCl aq rightarrow 2 HNO sub 3 aq plus PbCl sub 2 times s

Question 10

Consider the equation. AgNO sub 3 times aq plus NaCl times aq rightarrow AgCl times s plus NaNO sub 3 times aq Which compound is the precipitate in this chemical reaction?

Revolt · Accepted Answer

AgCl

Reactions in Aqueous Solutions — Quiz Answers

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