CCU6.E Solubility

Multiple Choice

A solution is a kind of ________. 

• mixture 
• compound 
• element 
• stuff 

Multiple Choice

Write the chemical equation that represents the dissociation of the ionic compound Na₂(SO₄) .

• Na⁺² + (SO₄)^-1

• Na⁺¹ + (SO₄)^-1

• Na⁺² + (SO₄)^-4

• 2Na⁺¹ + (SO₄)^-2

• Na⁺¹ + (SO₄)^-2

Multiple Choice

Use the Solubility Rules to determine if the following compound is soluble in water:

MgCl₂

• Soluble

• Insoluble

Multiple Choice

Use the Solubility Rules to determine if the following compound is soluble in water:

PbBr₂

• Soluble

• Insoluble

Multiple Choice

Zinc Carbonate

• Soluble 
• Insoluble 

Multiple Choice

NaC₂H₃O₂

• soluble
• insoluble

Multiple Choice

Use your solubility rules

If CaCO₃ were mixed with water- what is the best representation of the results

• Ca_(s) + CO_3(s)

• CaCO_3(s)

• Ca_(aq) + CO_3(aq)

• Ca²⁺_(aq) + CO₃^2-_(aq)

• Ca²⁺_(aq) + C_(aq)+O₂^2-_(aq)

Multiple Choice

Use your solubility rules

If Fe(NO₃)₃ were mixed with water- what is the best representation of the results

• Fe³⁺_(aq) + 3NO₃^2-_(aq)

• Fe(NO₃)_3(s)

• Fe_(aq) + 2NO_3(aq)

• Fe³⁺_(aq) + NO₃^2-_(aq)

• Fe³⁺_(aq) + 3N_(aq)+3O₃^2-_(aq)

Multiple Choice

The correct name for MgF₂ is ______________.

• magnesium fluoride

• magnesium difluoride

• manganese difluoride

• magnesium (II) fluoride

Multiple Choice

Which of the following is a binary compound?

• H₂

• HCl

• HCN

• H₂SO₄

Multiple Choice

The correct name for CuS is ____________.

• copper sulfide

• copper monosulfide

• copper (I) sulfide

• copper (II) sulfide

Multiple Choice

Which of these formulas is incorrect?

• KCl

• K₂O

• KF₂

• K₃PO₄

Multiple Choice

What is the formula for vanadium (IV) oxide?

• VO₄

• V₄O

• V₂O₄

• VO₂

Multiple Choice

The correct formula for ammonium phosphate is _________.

• NH₄PO₄

• (NH₄)₃PO₃

• (NH₃)₃PO₄

• (NH₄)₃PO₄

Multiple Choice

The correct formula for scandium (III) phosphide is ___________.

• Sc₃P

• ScP₃

• Sc₃P₃

• ScP

Multiple Choice

The correct formula for cadmium fluoride is

• CdF

• CaF₂

• CdF₂

• Cd₂F

Multiple Choice

Which of these does not have ionic bonds?

• MgF₂

• TiF₂

• SF₂

• ZnF₂

Multiple Choice

What is the formula for:

• MnBr2

• Mn1Br2

• Mn2Br

• Br2Mn

Multiple Choice

Which of these is a covalent compound?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

Multiple Choice

BaSO₄

• soluble
• insoluble

Multiple Choice

K₂CO₃

• soluble
• insoluble

Multiple Choice

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

Multiple Choice

What is the oxidation number of nitrogen in N₂?

• -3

• 0

• +4

• -1

Multiple Choice

The sum of the oxidation numbers in Na₂CO₃ is equivalent to

• 0

• -2

• +1

• -1

Multiple Choice

What is oxidation number of O in O₂ ?

• 0
• -2
• +1
• +2

Multiple Choice

Diatomic molecules like $$Cl_{2_{ }}$$ are what kind of covalent bond?

• Polar

• Non Polar

Multiple Choice

Classify the bond between Lithium and Oxygen.

• Polar Covalent

• Non Polar Covalent

• Ionic

Multiple Choice

What type of bond is SO₂?

• Ionic Bond

• Polar Covalent Bond

• Nonpolar Covalent Bond

Multiple Choice

Aqueous means that the substance is

• Soluble

• Insoluble

Multiple Choice

Which one of the these compounds will be insoluble in water?

• iron (II) nitrate

• ammonium chloride

• zinc carbonate

• lithium sulfate

Multiple Choice

In this equation,

CuCl₂+ NaOH → Cu(OH)₂ + NaCl

Which product is insoluble?

• copper(II) hydroxide

• sodium chloride

• sodium hydroxide

• copper(II) chloride