Practice Electrolysis Of Molten Lead Bromide (pbbr₂) (6.4)

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6 sample questions

Question 1.
What is produced at the cathode during electrolysis of molten lead bromide?
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Think about the process of reduction.
Question 2.
What does Br⁻ produce at the anode?
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Consider the oxidation process.
3Question 3.
What is the product formed at the cathode during the electrolysis of molten lead bromide?
- Bromine gas
- Lead metal
- Lead ions
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Consider what happens to positive ions in the electrolysis process.
4Question 4.
True or False: At the anode, bromide ions are reduced.
- True
- False
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Remember the reaction that occurs at the anode.
Question 5.
If 2 moles of PbBr₂ were electrolyzed, how many grams of lead metal would be produced? (Molar mass of Pb = 207 g/mol)
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Determine how many moles of lead and apply the molar mass.
Question 6.
Explain how the electrolysis of molten lead bromide supports the principles of conservation of mass and charge.
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Reflect on how charges and masses are conserved in chemical reactions.

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