Chapter 6 Electrochemistry

Electrochemistry is study of relationship between

• chemical and kinetic

• kinetic and electrical

• electrical and chemical

• chemical and cells

What is anode?

• electrode that connect to the positive terminal of the electrical source

• electrode that connect to the negative terminal of the electrical source

• positive ions

• negative ions

What is cations?

• electrode that connected to the positive terminal of the electrical source

• electrode that connected to the negative terminal of the electrical source

• positive ions

• negative ions

Which of the following is electrolytes?

• ethanol

• naphthalene

• lead (II) bromide

• iodine solution

Which of the following is non- electrolytes?

• ethanol

• lead (II) nitrate

• Hydrochloric acid

• Sodium (II) nitrate

Which of the following is a electrolyte?

• oxygen

• glucose solution

• tetrachloromethane

• copper (II) sulphate

There are how many factors that influence the selection of ions to be discharged at the electrode?

• one

• two

• three

• four

Which of the following is not a factor that influence the selection of ions to be discharged at the electrode?

• position of ions in the electrochemical series

• concentration of electrode

• concentration of electrolyte

• type of electrode

Which of the cation will be discharge in the Lead (II) bromide solution?

• lead ion

• bromide ion

• oxide ion

• hydroxide ion

in the copper (II) sulphate, which cation will be selectively discharge?

• copper (II) ion

• sulphate ion

• oxide ion

• hydroxide ion