WorksheetsElectro chemistry
Total questions: 15
Worksheet time: 8mins
Is this oxidation or reduction
Zu(s) -> Zn2+ (aq) + 2e-
Oxidation
Reduction
Salt Bridge
Battery
Is this oxidation or reduction ?
Cu2+ (aq) + 2e- -> Cu(s)
Reduction
oxidation
Ionization
Salt bridge
What strong electryote is commonly in a salt bridge
Potassium Sulfate
Hydrochloric Acid
Sulfur
Sulfuric Sulfate
A group of voltaic cells connected together is a what ?
Car
Electrode
Battery
Anode
A measure of a cells ability to produce electric current
Reduction potential
Electrical Potential
Cell potential
Salt bridge
Who invented the lightbulb
Allesandro Volta
Kai Cenat
Rodarius Green
Thomas Edison
What metal is more easily oxidized ?
Calcium
Neon
Helium
Iron
What causes electrical potenital of a cell ?
The ability of a electron to flow from one half cell to another
Subtracting reduction potential
Oxidizing sulfur
Oxidation of a non metal
How can you find standard reduction potential ?
Subtracting standard reduction potential for an anode from standard reduction potential for cathode
Taking away a salt bridge from a negatively charged anode
Removing the metals and replacing them with noble gases
You cant find it
The “ Voltaic Pile “ was what ?
A formula
A compound
The first battery
The first salt bridge found
What is a salt bridges purpose ?
to maintain electrical neutrality inside the circuit of a galvanic cell
To maintain an oxidative balance
To provide a current to a battery
To provide a better shock to a car
what charge is an anode ?
Negative
Positive
Neutral
Ohio
What charge is a cathode ?
Positive
Negative
Neutral
Ohio
What is an electrochemical cell used to cause a chemical reaction through the application of electrical energy ?
Electrolytic cell
Electric refining
Electrolytes
Gatorade
Which is correct ?
E cell = E red- E oxid
E cell = E oxid - E red
E oxid = E red - E cell
E cenat = E fanum - E duke
