Problem: For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas? Check all that apply.A) NiF2B) CuBrC) NaID) NaFE) NiI2

FREE Expert Solution

To solve this problem, we will follow these steps:

  • Write reduction reactions for water and the given cations.
  • Check to see which one of the cations has a lower reduction potential than water.
  • Write oxidation reactions for water and the given anions.
  • Check to see which one of the anions has a lower oxidation potential than water.


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Problem Details

For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas? Check all that apply.

A) NiF2

B) CuBr

C) NaI

D) NaF

E) NiI2

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Electrolysis of Water & Mixture of Ions concept. If you need more Electrolysis of Water & Mixture of Ions practice, you can also practice Electrolysis of Water & Mixture of Ions practice problems.