Deck 5: Molecular View of Reactions in Aqueous Solutions

Question 1

A solute is

A)a solid substance that does not dissolve in water.
B)a solid substance that does not dissolve at a given temperature.
C)a substance containing a solid, liquid, or gas.
D)a substance that is dissolved in a solvent.
E)a liquid that does not dissolve in another liquid.

Answer 1

a substance that is dissolved in a solvent.

Question 2

Which of the following describes a saturated solution?

A)one that contains 1 mole of a substance in 100 mL of water
B)one that contains as much solute as it can hold at a given temperature
C)one that contains less solute than it can hold at 25°C
D)one in which the ratio of solute to solvent is small
E)one that is equivalent to a supersaturated solution

Answer 2

one that contains as much solute as it can hold at a given temperature

Question 3

When a solid forms in a solution, it is called

A)a dilute solution.
B)a solvent.
C)a gaseous mixture.
D)a soluble solid.
E)a precipitate.

Answer 3

a precipitate.

Question 4

At room temperature, the solubility of table salt in water is 359 g/L of water. If a solution was prepared at a high temperature with 40 g of table salt in 100 mL of water and then cooled back to room temperature, what would be the best description of the resulting solution assuming that no precipitate was formed?

A)a saturated solution
B)an unsaturated solution
C)a supersaturated solution
D)an incomplete solution
E)a dominate solution

Question 5

At room temperature, the solubility of table salt in water is 359 g/L of water. If a solution was prepared at a high temperature with 20 g of table salt in 100 mL of water and then cooled back to room temperature, what would be the best description of the resulting solution assuming that no precipitate was formed?

A)a saturated solution
B)an unsaturated solution
C)a supersaturated solution
D)an incomplete solution
E)a dominate solution

Question 6

How many ions are produced when C₆H₁₂O₆ dissolves in water?

A)0
B)2
C)4
D)6
E)12

Question 7

Which is a nonelectrolyte?

A)barium nitrate, Ba(NO₃)₂
B)calcium chloride, CaCl₂
C)sodium chloride, NaCl
D)methyl alcohol, CH₃OH
E)potassium sulfate, K₂SO₄

Question 8

Which is a nonelectrolyte?

A)ammonium chloride, NH₄Cl
B)ethylene glycol, HOCH₂CH₂OH
C)nickel(II)sulfate, NiSO₄
D)sodium perchlorate, NaClO₄
E)zinc nitrate, Zn(NO₃)₂

Question 9

Which is an electrolyte?

A)glucose, C₆H₁₂O₆
B)calcium chloride, CaCl₂
C)sucrose, C₁₂H₂₂O₁₁
D)acetone, CH₃COCH₃
E)ethyl alcohol, C₂H₅OH

Question 10

Which is an electrolyte?

A)fructose, C₆H₁₂O₆
B)acetone, CH₃COCH₃
C)ethylene glycol, HOCH₂CH₂OH
D)methyl alcohol, CH₃OH
E)potassium sulfate, K₂SO₄

Question 11

Which of the aqueous solutions listed conducts electricity well?
A: sodium perchlorate, NaClO₄
B: methyl alcohol, CH₃OH
C: glucose, C₆H₁₂O₆
D: calcium chloride, CaCl₂
E: nickel(II)sulfate, NiSO₄

A)A and E only
B)C, D, and E only
C)A and D only
D)A, D, and E only
E)B, D, and E only

Question 12

Which of the aqueous solutions listed conducts electricity well?
A: acetone, CH₃COCH₃
B: silver nitrate, AgNO₃
C: ethylene glycol, HOCH₂CH₂OH
D: calcium chloride, CaCl₂
E: ammonium bromide, NH₄Br

A)A and E only
B)C, D, and E only
C)A and D only
D)A, D, and E only
E)B, D, and E only

Question 13

Which of the aqueous solutions listed does NOT conduct electricity well?
A: sucrose, C₁₂H₂₂O₁₁
B: barium nitrate, Ba(NO₃)₂
C: ethylene glycol, HOCH₂CH₂OH
D: calcium bromide, CaBr₂
E: ammonium chloride, NH₄Cl

A)A and E, only
B)C, D, and E only
C)A and C only
D)A, D, and E only
E)B, D, and E only

Question 14

Which compound produces four ions per formula unit by dissociation when dissolved in water?

A)(NH₄)₂SO₄
B)Hg₂Cl₂
C)Ca(NO₃)₂
D)Li₃PO₄
E)(NH₄)₄Fe(CN)₆

Question 15

Which compound produces four ions per formula unit by dissociation when dissolved in water?

A)K₂C₂O₄
B)Al(NO₃)₃
C)Hg₂(NO₃)₂
D)NaBrO₃
E)Na₂S₂O₃

Question 16

Which compound produces three ions per formula unit by dissociation when dissolved in water?

A)Hg₂SO₄
B)NaClO₂
C)LiClO₄
D)KClO
E)(NH₄)₂SO₄

Question 17

How many ions are produced in solution by dissociation of one formula unit of NiCl₂.6H₂O?

A)2
B)3
C)4
D)6
E)9

Question 18

How many ions are produced in solution by dissociation of one formula unit of Co(NO₃)₂.6H₂O?

A)2
B)3
C)4
D)6
E)9

Question 19

Which substance does NOT produce ions when dissolved in water?

A)CH₂O
B)KclO
C)Mn(NO₃)₂
D)CsCN
E)NaHS

Question 20

Which compound produces three ions per formula unit by dissociation when dissolved in water?

A)sodium nitrate
B)nickel(II)sulfate
C)calcium perchlorate
D)aluminum sulfate
E)ammonium bromate

Question 21

In the reaction, K₂SO₄(aq)+ Ba(NO₃)₂(aq) $\rarr$ BaSO₄(s)+ 2 KNO₃(aq), which ions are the spectator ions?

A)Ba²⁺ and SO₄²
B)Ba²⁺ and K⁺
C)Ba²⁺ and NO₃
D)K⁺ and SO₄²
E)K⁺ and NO₃

Question 22

In the reaction, KHS(aq)+ HCl(aq) $\rarr$ KCl(aq)+ H₂S(g), which ions are the spectator ions?

A)K⁺ and Cl
B)K⁺ and H⁺
C)H⁺ and HS
D)K⁺ and HS
E)HS and Cl

Question 23

The equation for the reaction, Pb(NO₃)₂(aq)+ NaCl(aq) $\rarr$ PbCl₂(s)+ NaNO₃(aq)can be written as an ionic equation. In the ionic equation, the spectator ions are

A)Na⁺ and Pb²⁺.
B)Na⁺ and Cl^-.
C)Pb²⁺ and Cl.
D)Pb²⁺ and NO₃^-.
E)Na⁺ and NO₃.

Question 24

The equation for the reaction, BaCl₂(aq)+ K₂CrO₄(aq) BaCrO₄(s)+ KCl(aq), can be written as an ionic equation. In the ionic equation, the spectator ions are

A)Ba²⁺ and K⁺.
B)K⁺ and CrO₄^2- .
C)K⁺ and Cl^-.
D)B²⁺ and CrO₄^2-.
E)Cl^- and CrO₄^2-.

Question 25

In the reaction between aqueous silver nitrate and aqueous potassium chromate, what is the identity of the soluble substance that is formed?

A)silver chromate
B)silver nitrate
C)potassium chromate
D)potassium nitrate
E)No reaction takes place since all products are soluble.

Question 26

The equation for the reaction, AgNO₃(aq)+ K₂CrO₄(aq) Ag₂CrO₄(s)+ KNO₃(aq), can be written as an ionic equation. In the ionic equation, the spectator ions are

A)Ag⁺ and K⁺.
B)Ag⁺ and CrO₄^2-.
C)K⁺ and CrO₄^2-.
D)K⁺ and NO₃^-.
E)CrO₄^2- and NO₃.

Question 27

What is the formula of the solid that is formed when aqueous barium chloride is mixed with aqueous potassium chromate?Hint: Make sure you look at the solubility of each compound and determine what the spectator ions are.

A)BaCrO₄
B)KCl
C)K₂Ba
D)K₂CrO₄
E)BaCl₂

Question 28

Which statement below is true?Hint: Think about the difference between strong and weak electrolytes when added to water.

A)All acids are strong electrolytes and ionize completely when dissolved in water.
B)All bases are weak electrolytes and ionize completely when dissolved in water.
C)All bases are strong electrolytes and ionize completely when dissolved in water.
D)All salts are strong electrolytes and dissociate completely if they dissolve in water.
E)All salts are weak electrolytes and ionize partially when dissolved in water.

Question 29

According to the Arrhenius theory of acids and bases, acids are substances that

A)exhibit a sour taste.
B)react with all metals to release hydrogen gas.
C)react with all metals to release carbon dioxide gas.
D)produce hydronium ions in water.
E)feel slippery on the skin.

Question 30

Which of the following is a property of bases that is used to classify a substance as an Arrhenius base?

A)They exhibit a sour taste.
B)They produce hydroxide ions in water.
C)They feel slippery to the touch.
D)They produce hydronium ions in water.
E)They exhibit a tart taste.

Question 31

Which species is a weak electrolyte?

A)HClO₄
B)HCl
C)NaOH
D)NH₃
E)LiOH

Question 32

Which species is a strong electrolyte?

A)HBrO
B)HClO₂
C)HF
D)HI
E)H₃PO₃

Question 33

Which is NOT a strong base?

A)Ca(OH)₂
B)Ba(OH)₂
C)KOH
D)NaOH
E)NH₃

Question 34

Which is NOT a strong acid?

A)HBr
B)HC₂H₃O₂
C)HClO₃
D)HClO₄
E)HNO₃

Question 35

Which is a strong acid?

A)HBrO
B)HClO₂
C)HF
D)HI
E)H₃PO₃

Question 36

Which is NOT a property of strong acids?

A)Strong acids react with all metals to yield CO₂ gas.
B)Strong acids exhibit a sour taste.
C)Strong acids turn litmus from blue to red.
D)Strong acids neutralize bases.
E)Strong acids react with carbonate salts to yield CO₂ gas.

Question 37

Which one of the equations below represents what happens when HC₂H₃O₂ is dissolved in water?

A)HC₂H₃O₂ + H₂O $\rarr$ H₃O⁺(aq)+ C₂H₃O₂⁺(aq)
B)HC₂H₃O₂ + H₂O $\rarr$ H₃O⁺(aq)+ C₂H₃O₂^-(aq)
C)HC₂H₃O₂ + H₂O $\rarr$ C₂H₃O₂⁺ (aq)+ OH^-(aq)
D)HC₂H₃O₂ + H₂O $\rarr$ H₃O^-(aq)+ C₂H₃O₂⁺(aq)
E)HC₂H₃O₂ + H₂O $\rarr$ 2 H⁺(aq)+ OH^-(aq)+ C₂H₃O₂^-(aq)

Question 38

Which is NOT acidic?

A)grapefruit juice
B)household ammonia
C)carbonated water
D)vinegar
E)lemon juice

Question 39

Which species is a molecular base?

A)NaOH
B)NH₃
C)C₂H₅OH
D)LiOH
E)NH₄⁺

Question 40

Which one of the equations below represents what happens when NH₃ is dissolved in water?

A)NH₃ + H₂O H₃O⁺(aq)+ NH₃⁺(aq)
B)NH₃ + H₂O H₃O⁺(aq)+ NH₂^-(aq)
C)NH₃ + H₂O NH₄⁺ (aq)+ OH^-(aq)
D)NH₃ + H₂O H₃O^-(aq)+ NH₂⁺(aq)
E)NH₃ + H₂O 2 H⁺(aq)+ OH^-(aq)+ NH₂^-(aq)

Question 41

Which is the acid anhydride for HCl?

A)ClO
B)ClO₂
C)Cl₂O₇
D)H₂O
E)HCl does not have an anhydride.

Question 42

Which is the acid anhydride for H₂CO₃?

A)CO
B)CO₂
C)C₂O₄
D)H₂O
E)H₂CO₃ does not have an anhydride.

Question 43

Which is a basic anhydride?

A)SO₂
B)CO₂
C)O₂
D)BaO
E)N₂O₅

Question 44

The chemical species present in all solutions which are acidic is

A)H₂O(aq).
B)OH(aq).
C)H₂O⁺(aq).
D)H₃O⁺(l).
E)H₃O⁺(aq).

Question 45

The empirical formula of the acid anhydride of phosphoric acid, H₃PO₄, is

A)PO₂.
B)PO₃.
C)P₂O₃.
D)P₂O₅.
E)P₂O.

Question 46

Which is the acid anhydride for HClO₄? Hint: Remember anhydride means "without water."Think about the chemical formula before water was added.

A)ClO
B)ClO₂
C)ClO₃
D)ClO₄
E)Cl₂O₇

Question 47

Which substance will ionize when added to water? Hint: Remember the difference between dissociation and ionization.

A)NaClO₄(s)
B)HNO₂(aq)
C)C₆H₁₂O₆(s)
D)(NH₄)₂SO₄(s)
E)Ba(OH)₂(s)

Question 48

Which statement below states a fact? Hint: Remember the difference between dissociation and ionization.

A)All acids are strong electrolytes and dissociate completely when dissolved in water.
B)Some acids are strong electrolytes and ionize completely when dissolved in water.
C)Some acids are strong electrolytes and dissociate completely when dissolved in water.
D)Some acids are weak electrolytes and ionize completely when dissolved in water.
E)Some acids are weak electrolytes and dissociate partially when dissolved in water.

Question 49

Which is NOT a strong acid?

A)HBr
B)HCl
C)HClO₃
D)HF
E)HI

Question 50

Which set below contains only weak electrolytes?

A)HNO₃(aq), H₂SO₄(aq), HCN(aq)
B)KOH(aq), H₃PO₄(aq), NaClO₄(aq)
C)NH₃(aq), HC₂H₃O₂(aq), HCN(aq)
D)NH₄Cl(aq), HClO₂(aq), HCN(aq)
E)NaOH(aq), H₂SO₄(aq), HC₂H₃O₂(aq)

Question 51

Which solution is the most acidic?

A)1.0 molar HCN
B)1.0 molar HC₂H₃O₂
C)1.0 molar HNO₂
D)1.0 molar HF
E)1.0 molar HClO₃

Question 52

Which set below contains only weak acids?

A)HC₂H₃O₂, HCN, HNO₂
B)HC₂H₃O₂, HCN, HNO₃
C)HC₂H₃O₂, HCl, HNO₂
D)HClO, HCN, HBrO₃
E)HNO₂, HC₂H₃O₂, HI

Question 53

A dynamic equilibrium is reached when acetic acid is dissolved in water. Which species is present in largest amount in the solution? Hint: Consider whether acetic acid is a weak or strong electrolyte before determining which species has the highest concentration.

A)C₂H₃O₂(aq)
B)H⁺(aq)
C)HC₂H₃O₂(aq)
D)H₃O⁺(aq)
E)OH(aq)

Question 54

A dynamic equilibrium is reached when hydrogen fluoride is dissolved in water. Which species is present in the highest concentration in this solution? Hint: Consider whether hydrogen fluoride is a weak or strong electrolyte before determining which species has the highest concentration.

A)H₃O⁺(aq)
B)HF(aq)
C)H⁺(aq)
D)F(aq)
E)OH(aq)

Question 55

A dynamic equilibrium is reached when hydrogen cyanide acid is dissolved in water. Which species is present in the highest concentration in this solution? Hint: Consider whether hydrogen cyanide is a weak or strong electrolyte before determining the highest concentration.

A)C₂H₃O₂(aq)
B)H₃O⁺(aq)
C)OH(aq)
D)HCN(aq)
E)H⁺(aq)

Question 56

What is the formula of the oxoacid formed from the nitrate ion?

A)H₂NO₃
B)HNO₂
C)HNO₃
D)H₂NO₄
E)HNO

Question 57

What is the name of the oxoacid HBrO₄?

A)Bromic acid
B)Hypobromous acid
C)Hydrobromic acid
D)Bromous acid
E)Perbromic acid

Question 58

What is the name of the oxoacid HClO?

A)Chloric acid
B)Hypochlorous acid
C)Hydrochloric acid
D)Chlorous acid
E)Perchloric acid

Question 59

What is the name of the oxoacid HIO₂?

A)Iodic acid
B)Hypoiodous acid
C)Hydroiodic acid
D)Iodous acid
E)Periodic acid

Question 60

A student comes across a chemical in the laboratory that is labeled Butylamine. Based on this name, the substance is expected to be

A)an ionic salt.
B)a molecular base.
C)an oxoacid.
D)a binary acid.
E)a strong electrolyte.

Question 61

An example of an acid-base neutralization is the reaction of

A)H₂(g)with O₂(g)to form H₂O(l).
B)H₂(aq)with OH(aq)to form H₂O(l).
C)H⁺(aq)with O₂(g)to form H₂O(l).
D)H⁺(aq)with OH(aq)to form H₂O(l).
E)Na⁺(aq)with OH(aq)to form NaOH(aq).

Question 62

Which is the net ionic equation for the reaction that takes place when HClO₃(aq)is added to KOH(aq)?

A)HClO₃(aq)+ KOH(aq) $\rarr$ KClO₃(aq)+ H₂O(l)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HClO₃(aq)+ OH^-(aq) $\rarr$ ClO₃^-(aq)+ H₂O(l)
D)H⁺(aq)+ KOH(aq) $\rarr$ K⁺(aq)+ H₂O(l)
E)HClO₃(aq)+ K⁺(aq) $\rarr$ KClO₃(aq)+ H⁺(aq)

Question 63

Which is the net ionic equation for the reaction that takes place when HNO₃(aq)is added to Mg(OH)₂(s)?

A)HNO₃(aq)+ Mg(OH)₂(s) $\rarr$ Mg(NO₃)₂(aq)+ H₂O(l)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HNO₃(aq)+ OH^-(s) $\rarr$ NO₃^-(aq)+ H₂O(l)
D)2H⁺(aq)+ Mg(OH)₂(s) $\rarr$ Mg²⁺(aq)+ 2H₂O(l)
E)HNO₃(aq)+ Mg²⁺(aq) $\rarr$ Mg(NO₃)₂(aq)+ H⁺(aq)

Question 64

ZnCO₃(s)is insoluble in water, but dissolves in excess 6.0 molar HCl(aq). Which equation best describes this reaction?

A)ZnCO₃(s)Zn²⁺(aq)+ CO₃²(aq)
B)ZnCO₃(s)+ H₂O(l) $\rarr$ ZnO(aq)+ H₂CO₃(aq)
C)ZnCO₃(s)+ 2 H⁺(aq) $\rarr$ Zn²⁺(aq)+ H₂O(l)+ CO₂(g)
D)ZnCO₃(s)+ 2 H₂O(l) $\rarr$ Zn(OH)₂(aq)+ H₂CO₃(aq)
E)ZnCO₃(s)+ 2 H₂O(l) $\rarr$ Zn(OH)₂(aq)+ H₂O(l)+CO₂(g)

Question 65

Which statement is NOT correct? Hint: Remember what the prefixes mean for each type of acid and how those effect salt formation.

A)Acidic salts can be formed by partial neutralization of a monoprotic acid by a monoproti base.
B)Acidic salts can be formed by partial neutralization of a diprotic acid by a monoprotic base.
C)Acidic salts can be formed by partial neutralization of a diprotic acid by a diprotic base.
D)Acidic salts can be formed by partial neutralization of a triprotic acid by a diprotic base.
E)Acidic salts can be formed by partial neutralization of a polyprotic acid by a monoprotic base.

Question 66

Complete neutralization of phosphoric acid with barium hydroxide yields Ba₃(PO₄)₂ as one of the products when it is separated and dried. This indicates the phosphoric acid is a

A)monoprotic acid.
B)diprotic acid.
C)triprotic acid.
D)tetraprotic acid.
E)hexaprotic acid.

Question 67

One of the phosphoric acids when fully neutralized by treatment with barium hydroxide yields, as one of its products, a substance with the formula Ba₂P₂O₇. The parent acid for the anion in this compound is a Hint: Write the reaction and identify the formula of each species to help.

A)monoprotic acid.
B)diprotic acid.
C)triprotic acid.
D)tetraprotic acid.
E)hexaprotic acid.

Question 68

Which reaction will yield NiCr₂O₇ as one of its products? Hint: Write each reaction and identify the name of each species present.

A)nickel(II)hydroxide and dichromic acid
B)nickelic acid and chromium(II)hydroxide
C)nickel(II)hydroxide and chromic acid
D)nickel(II)hydroxide and chromate acid
E)nickel(II)hydroxide and bichromic acid

Question 69

What is the net ionic equation for the reaction that takes place when HClO₄(aq)is added to NH₃(aq)? Hint: Make sure to cancel out your spectator ions.

A)HClO₄(aq)+ NH₃(aq) $\rarr$ NH₄ClO₄(aq)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HClO₄(aq)+ OH^-(aq) $\rarr$ ClO₄^-(aq)+ H₂O(l)
D)H⁺(aq)+ NH₃(aq) $\rarr$ NH₄⁺(aq)
E)HClO₄(aq)+ NH₄OH(aq) $\rarr$ H₂O(l)+ NH₄ClO₄(aq)

Question 70

What is the net ionic equation for the reaction that takes place when HC₂H₃O₂(aq)is added to Ba(OH)₂(aq)? Hint: Make sure to cancel out your spectator ions.

A)HC₂H₃O₂(aq)+ Ba(OH)₂(aq)Ba(C₂H₃O₂)₂(aq)+ H₂O(l)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HC₂H₃O₂(aq)+ OH^-(aq) $\rarr$ C₂H₃O₂^-(aq)+ H₂O(l)
D)H⁺(aq)+ Ba(OH)₂(aq) $\rarr$ Ba²⁺(aq)+ H₂O(l)
E)HC₂H₃O₂(aq)+ Ba²⁺(aq) $\rarr$ Ba(C₂H₃O₂)₂(aq)+ H⁺(aq)

Question 71

What is the net ionic equation for the reaction that takes place when HC₂H₃O₂(aq)is added to NH₃(aq)? Hint: Make sure to cancel out your spectator ions.

A)HC₂H₃O₂(aq)+ NH₃(aq) $\rarr$ NH₄⁺(aq)+ C₂H₃O₂^-(aq)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HC₂H₃O₂(aq)+ OH^-(aq) $\rarr$ C₂H₃O₂^-(aq)+ H₂O(l)
D)H⁺(aq)+ NH₄OH(aq) $\rarr$ NH₄⁺(aq)+ H₂O(l)
E)HC₂H₃O₂(aq)+ NH₄OH(aq) $\rarr$ H₂O(l)+ NH₄ClO₄(aq)

Question 72

What is the net ionic equation for the reaction that takes place when HNO₃(aq)is added to Fe₂O₃(s)? Hint: Make sure to cancel out your spectator ions.

A)HNO₃(aq)+ Fe₂O₃(s) $\rarr$ Fe(NO₃)₃(aq)+ H₂O(l)
B)H⁺(aq)+ OH^-(aq) $\rarr$ H₂O(l)
C)HNO₃(aq)+ OH^-(s) $\rarr$ NO₃^-(aq)+ H₂O(l)
D)6H⁺(aq)+ Fe₂O₃(s) $\rarr$ 2Fe³⁺(aq)+ 3H₂O(l)
E)HNO₃(aq)+ Fe³⁺(aq) $\rarr$ Fe(NO₃)₃(aq)+ H⁺(aq)

Question 73

What is the net ionic equation for the reaction that takes place when HCl(aq)is added to CaCO₃(s)? Hint: Make sure to cancel out your spectator ions.

A)HCl(aq)+ CaCO₃(s) $\rarr$ CaCl₂(aq)+ CO₂(g)+ H₂O(l)
B)2H⁺(aq)+ CaCO₃(s) $\rarr$ Ca²⁺(aq)+ CO₂(g)+ H₂O(l)
C)HCl(aq)+ CO₃^2-(aq) $\rarr$ Cl^-(aq)+ H₂O(l)+ CO₂(g)
D)Cl^-(aq)+ CaCO₃(s) $\rarr$ CaCl₂(aq)+ CO₃^2-(aq)
E)HCl(aq)+ CaCO₃(s) $\rarr$ Ca²⁺(aq)+ Cl₂(g)+ CO₂(g)+ H₂O(l)

Question 74

What is the net ionic equation for the reaction that takes place when Ba(OH)₂(aq)is added to NH₄Cl(aq)? Hint: Make sure to cancel out your spectator ions.

A)NH₄⁺(aq)+ OH^-(aq) $\rarr$ NH₃(aq)+ H₂O(l)
B)NH₄⁺(aq)+ Ba(OH)₂(aq) $\rarr$ Ba²⁺(aq)+ NH₃(aq)+ H₂O(l)
C)NH₄Cl(aq)+ OH^-(aq) $\rarr$ NH₃(aq)+ H₂O(l)+ Cl^-(aq)
D)H⁺(aq)+ Cl^-(aq) $\rarr$ HCl(aq)
E)Ba(OH)₂(aq)+ NH₄Cl(aq) $\rarr$ BaCl₂(aq)+ NH₄OH(aq)

Question 75

Which one of the following is NOT an example of an acidic salt?

A)aluminum bicarbonate
B)barium dihydrogen phosphate
C)nickel(II)bichromate
D)potassium hydrogen chloride
E)sodium hydrogen sulfate

Question 76

Which is NOT an example of an acidic salt?

A)ammonium dihydrogen arsenate
B)barium bicarbonate
C)chromium(III)hydrogen sulfate
D)cobalt(II)hydrogen acetate
E)nickel(II)bichromate

Question 77

The reaction, BaCl₂(aq)+ H₂SO₄(aq) $\rarr$ BaSO₄(s)+ 2 HCl(aq), is an example of a

A)metathesis reaction.
B)neutralization reaction.
C)precipitation reaction.
D)redox reaction.
E)A and C

Question 78

Which compound is insoluble in water?

A)KNO₃
B)Pb(NO₃)₂
C)Na₂SO₄
D)PbSO₄
E)MgCl₂

Question 79

Which compound is insoluble in water?

A)Na₂CO₃
B)NH₄NO₃
C)CaCO₃
D)CaCl₂
E)LiClO₄

Question 80

Which compound is soluble in water?

A)PbCO₃
B)AgBr
C)CaCO₃
D)MgCl₂
E)BaSO₄