Double Displacement and Net Ionic Equations

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)
 

• Cu²⁺ and OH^1-
• Na²⁺ and Cl^2-
• Na¹⁺ and Cl^1-
• Na¹⁺ and OH^1-

What is the precipitate formed between potassium bromide and ammonium sulfide

• potassium sulfide
• ammonium bromide
• potassium ammonium
• no ppt is formed

Tags

NGSS.HS-PS1-2

What is the name of the precipitate formed in the reaction of calcium sulfide and aluminum nitrate

• calcium nitrate
• aluminum sulfide
• no ppt is formed
• aluminum nitrate

Tags

NGSS.HS-PS1-2

Which pair could be spectator ions?

• NH₄⁺ and Cl^-
• Ca⁺² and OH^-
• Ag+ and Br-
• Sr⁺² and CO₃ ^-2

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

Tags

NGSS.MS-PS1-2

What is a Net Ionic Equation?

• a balanced chemical equation in which all the reactants and products are given by their chemical formulae.

• a chemical equation that shows all soluble species broken into their respective ions.

• a chemical equation showing only the species which are actively involved in the reaction.

Which of the following does NOT form a precipitate?

• Pb(NO₃)₂(aq) + 2KI(aq) →
• Sr(NO₃)_{2 (aq)} + K₂SO_4(aq) →
• AgNO₃(aq) + Na₂S(aq) →
•  Pb(NO₃)₂(aq) + AgNO₃(aq) →

Tags

NGSS.HS-PS1-3

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate 

Tags

NGSS.HS-PS1-2

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon