Industrial Processes for Sodium Hydroxide and Chlorine
Chemistry ⇒ Industrial Chemistry
Industrial Processes for Sodium Hydroxide and Chlorine starts at 11 and continues till grade 12.
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Calculate the mass of chlorine gas produced when 2 moles of NaCl are electrolyzed completely. (Molar mass of Cl2 = 71 g/mol)
Calculate the number of moles of NaOH produced when 5 moles of NaCl are electrolyzed completely.
Calculate the volume of hydrogen gas (at STP) produced when 1 mole of NaCl is electrolyzed. (Molar volume at STP = 22.4 L)
Describe one major advantage of the membrane cell process over the diaphragm cell process.
Describe the environmental impact of mercury emissions from the mercury cell process.
Describe the main difference between the diaphragm cell and membrane cell processes for sodium hydroxide production.
Explain the role of electricity in the industrial production of sodium hydroxide and chlorine.
Explain why a membrane is used in the membrane cell process for sodium hydroxide production.
Explain why hydrogen gas is collected separately during the electrolysis of brine.
Explain why it is important to prevent the mixing of chlorine and sodium hydroxide in the industrial process.
Explain why the production of sodium hydroxide and chlorine is considered an example of a redox process.
In the context of industrial brine electrolysis, what is the main reason for using pure brine?
In the context of the chlor-alkali industry, what does the term 'chlor-alkali' refer to?
In the context of the industrial production of sodium hydroxide, what is meant by 'brine'?
Name the three main products obtained from the electrolysis of brine.
State one reason why the mercury cell process is still used in some countries despite its environmental risks.
State the main use of chlorine produced in the industrial electrolysis of brine.
State the overall chemical equation for the electrolysis of brine to produce sodium hydroxide and chlorine.
The anode reaction in the electrolysis of brine is: 2Cl- → Cl2(g) + 2e-. Is this an oxidation or reduction reaction?
Write the half-equation for the reaction occurring at the cathode during the electrolysis of brine.
