CHEM 120 PRACTICE EXAM3 ALL
CORRECT
a.) oxidized
If an atom loses electrons in a redox reaction, we say this atom was:
a.) oxidized
b.) reduced
c.) none of the above
d.) an oxidizing agent
c.) Cr
In the reaction CrO + H₂ → H₂O + Cr, the element being reduced is:
a.) all elements are oxidized
b.) H
c.) Cr
d.) O
d.) Fe³⁺
What is the oxidizing agent in the reaction Fe³⁺ + V → Fe + V³⁺
a.) V³⁺
b.) Fe
c.) V
d.) Fe³⁺
, a.) Methanol
Which of the following molecules is not a hydrocarbon?
a.) Methanol
b.) Propane
c.) Hexane
d.) Ethane
Butyne and Pentyne
What molecules contains a triple bond?
fuel
What is a key application of hydrocarbons?
d.) Carboxyl
The COOH group represents which functional group?
a.) Ester
b.) Carbonyl
c.) Either
d.) Carboxyl
Alkene
What type of hydrocarbon contains a carbon-to-carbon double bond?
CORRECT
a.) oxidized
If an atom loses electrons in a redox reaction, we say this atom was:
a.) oxidized
b.) reduced
c.) none of the above
d.) an oxidizing agent
c.) Cr
In the reaction CrO + H₂ → H₂O + Cr, the element being reduced is:
a.) all elements are oxidized
b.) H
c.) Cr
d.) O
d.) Fe³⁺
What is the oxidizing agent in the reaction Fe³⁺ + V → Fe + V³⁺
a.) V³⁺
b.) Fe
c.) V
d.) Fe³⁺
, a.) Methanol
Which of the following molecules is not a hydrocarbon?
a.) Methanol
b.) Propane
c.) Hexane
d.) Ethane
Butyne and Pentyne
What molecules contains a triple bond?
fuel
What is a key application of hydrocarbons?
d.) Carboxyl
The COOH group represents which functional group?
a.) Ester
b.) Carbonyl
c.) Either
d.) Carboxyl
Alkene
What type of hydrocarbon contains a carbon-to-carbon double bond?
