Electrochemistry

The process of losing electrons

• Reduction

• Oxidation

• Electrolysis

• Decrease

The process of gaining electrons

• Reduction

• Oxidation

• Electrolysis

• Increase

Which of the following is true about salt bridge?

• It is a pathway for electron transfer

• Increases the rate of reaction

• It neutralizes the excess charges

• Ions of salt bridge discharge at electrode

The cell potential is dependent of the electrode system

• True

• False

Answer explanation

The cell potential is independent of the electrode system but dependent on concentration

What type of electrode is a Zn electrode?

• First Kind

• Second Kind

• Inert

• Redox

Which of the following are inert electrodes?

• Pt

• Au

• C graphite

• Rh

The reaction: AgCl(s) → Ag+(aq) + Cl-(aq) is

• Spontaneous, Galvanic

• Non-spontaneous, Galvanic

• Spontaneous, Electrolytic

• Non-spontaneous, Electrolytic