Quiz 2 - Chloroalkali

Which statement is TRUE about diaphragm cells?

• NaOCl is a useful by-product

• Platinum gauze is used as a diaphragm

• Hydrogen gas evolves at cathode

What is the application of chlorine?

• Pesticides

• Antiseptic Agent

• Polymer

• Paper production

What is the application of hydrogen?

• Reducing agent

• fuel cell

• weather balloon

• explosive

What chemicals will be produced if we do not separate the cathode and anode chambers?

• Sodium hypochlorite

• sodium chlorate

• sodium chloride

• sodium perchlorate

• "high purity of NaOH, higher cost for pretreatment, high concentration of NaOH" - what is the method that best describe the statement

• Membrane cell

• Diaphragm cell

• Mercury cell

• "low purity of NaOH, lower cost for pretreatment, easily clogged" - what is the method that best describe the statement

• membrane cell

• diaphragm cell

• mercury cell

What is the name of alloy formed in mercury cell?

• Analgam

• Amalgam

• Analgan

• Aramca

What type of membrane used in the membrane cell?

• water impermeable ion conducting membrane

• water permeable ion conducting membrane

• water permeable cation conducting membrane

• water phase ion conducting membrane

What product produced in anodic and cathodic chamber?

• anode - Cl₂

  cathode - NaOH, H₂

• anode - Cl₂, NaOH

  cathode - H₂

• anode - H₂, NaOH

  cathode - Cl₂

• anode - H₂

  cathode - NaOH, Cl₂

Why the anode material should be non reactive?

• The product is corrosive, can damage the electrode.

• The product is easily explode

• To prevent the reaction of cation with the electrode

• All answers in correct.