Double Replacement

What is a double replacement?

• Two compounds react to form two new compounds.
• One compound reacts to form two separate elements.
• Two elements reacting to form a single compound.
• A hydrocarbon and 

How do you determine the states of matter of the products in a double replacement reaction?

• Oxidation Number
• Activity Series on formula chart
• Solubility Rules on formula chart 
• Ionic Charges

Is NaCl soluble or insoluble?

• Soluble
• Insoluble 
• Neither
• Soluble and Insoluble

Tags

NGSS.HS-ESS2-5

Is AgCl soluble or insoluble?

• Soluble
• Insoluble
• Neither 
• Both

Is MgO soluble or insoluble?

• Soluble
• Insoluble
• Neither
• Both

Tags

NGSS.HS-PS1-1

What is the state of matter symbol for an insoluble compound?

• (s)
• (aq)
• (g)
• (l)

What is the state of matter for H₂O (water)?

• Solid
• Liquid
• Gas 
• Precipitate

Tags

NGSS.MS-PS1-4

What is a precipitate?

• A solid formed from a single replacement reaction
• An aqueous compound formed from single replacement reaction 
• An aqueous compound formed from double replacement reaction
• A solid formed from a double replacement reaction

What are the products formed in this double replacement reaction: Na₂S + 2HCl

• Na₂H + SCl₂
• ClNa + SH₂
• 2NaCl + 2HS
• 2NaCl + H₂S

Tags

NGSS.HS-PS1-7

What is the generic equation for a double replacement reaction? 

• AB + CD ---> AD + CB
• AB + CD ---> DA + CB
• AB + CD ---> A + BC
• AB + CD ---> D + CBA