Electrochemistry- Term 1, Year 12

Oxidation is the ______ of electrons

Which is the correct short-hand notation for a cell?

In the following equation, Copper is oxidised: Zn + CuSO4 -> ZnSO4 + Cu

What is cathodic protection?

Corrosion will occur when two ________ are in contact

Standard conditions for electrochemical reactions are: 25 degrees Celsius; [all ions] = 1M; P for all gases = 101.3kPa

A negative Ecell value means that the reaction is spontaneous

The higher the reduction potential, the more a metal will want to change into a solid state of matter

If Cd and Fe reacted, what would the final reaction be, and what would the Ecell value be? [Cd(2+) + 2e- -> Cd = -0.40V] [Fe(2+) +2e- -> Fe = -0.45V]

Why doesn't aluminium (Al) corrode under standard conditions?

Which of the following do not corrode spontaneously?

In what direction do electrons spontaneously flow?

What is the oxidation number of Oxygen in Hydrogen Peroxide?

What is the oxidation number of Hydrogen in LiH?

In a galvanic cell, what is an observation made about the cathode?

What does a salt bridge do?

The reason a salt bridge is needed is to ensure that the solutions are not becoming too positive or negative

What is the charge of Phosphorus in the Phosphate ion?

What is the charge of Sulfur in the Sulfate ion?

What is the charge of Chromium in the Dichromate ion?

What is the reducing agent in a redox reaction between zinc and a silver nitrate solution?

What is the oxidation of iron (II) ions to iron (III) ions by dichromate to Cr (III) ions in acidic solution? (Open in full-screen to view answers properly)

In a reaction with Zinc and Copper Sulfate to Zinc Sulfate and Copper, the copper is reduced.

A reaction with Iron and Copper Sulfate to Copper and Iron Sulphate is spontaneous.

The following equation is balanced as acidic, how would this be different if balanced as basic? (Open in full-screen to view answers properly)

An atom with a high electronegativity will want to be...

What is the electrode potential for the following reaction?

According to the voltaic cell seen, which metal ion will move to the cathode and be reduced?

If the following is balanced in an acidic solution, what is the coefficient in front of the nitrate ions?

If the following cell was created with the initial mass of the Pb electrode as 15.62g and the initial mass of the Fe electrode as 10.70g (with the deposit on the cathode having a mass of 0.938g); what would be the final mass of the Fe electrode and what would be the final concentration of the Fe (II) ion solution?

If the following cell was created in a 250mL solution of 0.5mol/L with the initial mass of the Cu electrode as 23.62g and the initial mass of the Zn electrode as 18.94g (with the deposit on the cathode having a mass of 1.426g); what would be the final mass of the Zn electrode and what would be the final concentration of the Zn (II) ion solution?

If the following cell was created with the initial mass of the Cu electrode as 15.00g and the final mass of the Zn electrode as 12.00g (with the deposit on the cathode having a mass of 1.00g); what would be the initial mass of the Zn electrode?