Types of Rxns

Question 1

What type of reaction is this:

H2 + F2 —> 2HF

Answer 1

Redox

• hydrogen is being oxidized
• fluorine is being reduced

Question 2

What type of reaction is this:

H2 —> 2H+ + 2e-

Answer 2

Oxidation

• electrons given off
• gain of charge

Question 3

What type of reaction is this:

F2 + 2e- —> 2F-

Answer 3

Reduction

• electrons being gained
• charge decreased

Question 4

What type of reaction is this:

Fe + CuSO4 —> FeSO4 + Cu

Answer 4

Redox
Single Replacement
-replacement occurs
-Fe being oxidized
-Cu being reduced

Question 5

What type of reaction is this:

BaCl2(aq) + Na2SO4(aq) —> BaSO4(s) + 2NaCl(aq)

Answer 5

Precipitation Rxn

• precipitate is formed (BaSO4(s))
• reactants are both (aq)

Question 6

What type of reaction is this:

2AgNO3(aq) + CaCl2(aq) —> 2AgCl(s) + Ca(NO3)2(aq)

Answer 6

Precipitation Rxn

• precipitate formed (AgCl(s))
• reactants are both (aq)

Question 7

What type of reaction is this:

HCl + NaOH —> NaCl + H2O

Answer 7

Neutralization Rxn

• reactants: acid + base
• product includes H2O

Question 8

What type of reaction is this:

H2SO4 + 2NH4OH —> (NH4)2SO4 + 2H2O

Answer 8

Neutralization Rxn

• reactants: acid + base
• product includes H2O

Question 9

What type of reaction is this:

B + HA HB+ + A-

Answer 9

Acid-Base Rxn

• A is the proton donor
• B is the proton acceptor