Types of Chemical Reactions and Ionic Equations

Use the following chemical equation to answer question

__NaOH(aq)+__CuCl2 (aq)→__NaCl(?)+__Cu(OH)2 (?)

Which of the following coefficients should be used to correctly balance the above chemical equation?

• 2 2 2 1

• 2 1 2 1

• 1 2 1 1

• 2 3 2 3

Tags

NGSS.HS-PS1-7

Use the following chemical equation to answer question

__NaOH(aq)+__CuCl2 (aq)→__NaCl(?)+__Cu(OH)2 (?)

Which of the following is a precipitate for the above equation?

• NaCl

• Cu(OH)2

• Both A and B

• There is no precipitate in the above reaction

Use the following chemical equation to answer question

__NaOH(aq)+__CuCl2 (aq)→__NaCl(?)+__Cu(OH)2 (?)

Which of these is/are the spectator ion(s) in the above chemical equation?

I. Cu(aq) 2+

II. Na(aq) +

III. Cl(aq)

• I only

• I only

• III only

• II and III only

Use the following chemical equation to answer question

__NaOH(aq)+__CuCl2 (aq)→__NaCl(?)+__Cu(OH)2 (?)

Which of the following is the correct net ionic equation for the above equation?

• Na(aq) ++Cl(aq)− →NaCl(aq)

• Na(aq) ++OH(aq)− →NaOH(aq)

• Cu(aq) 2++2OH(aq)− →Cu(OH)2(s)

• Cu(aq) 2++2Cl(aq)− →CuCl2(aq)

Which of the following reactions is/are not a net ionic equation(s)?

I. H+(aq) + OH−(aq) ⟶ H2O (l)

II. Zn2+(aq) + S2−(aq) ⟶ ZnS (s)

III. 2 Na(s) + Cl2 (g) ⟶ 2 NaCl (s)

• I only

• III only

• I and III only

• II and III only

Which of the following reactions result in the formation of a precipitate?

I. NaNO3 (aq) and CaCl2 (aq)

II. BaCl2 (aq) and Na2SO4 (aq)

III. NaNO3 (aq) and MgSO4 (aq)

• I only

• II only

• I and II only

• II and III only

The _______________ equation contains all dissolved ionic compounds and highly ionized molecular compounds shown as ions.

• net ionic

• chemical

• skeletal

• complete ionic

When silver nitrate solution, AgNO3, is mixed with potassium bromide solution, KBr, the products are ____.

I. H2O

II. KNO3

III. AgBr

• I and II only

• I and III only

• II and III only

• I, II and III

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Na2S (aq) + 2 AgNO3(aq) → Ag2S(s) + _____ NaNO3(aq)

The spectator ion(s) is/are ______.

• Na+ only

• Ag+ and NO3ˉ

• Na+ and S2-

• Na+ and NO3-

The coefficient of NaNO3 is _____.

Na2S (aq) + 2 AgNO3(aq) → Ag2S(s) + _____ NaNO3(aq)

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7