The electrolyte used in the Nickel-Iron (NiFe) accumulator is

JAMB Physics 2023 297 views
Source: JAMB · 2023

The electrolyte used in the Nickel-Iron (NiFe) accumulator is

  1. potassium hydroxide solution ✓
  2. barium chloride solution
  3. dilute tetraoxosulphate(VI) acid
  4. sodium hydroxide solution
Explanation

The nickel-iron (Edison) accumulator uses an alkaline electrolyte, which is potassium hydroxide solution.

Dilute tetraoxosulphate(VI) acid is used in the lead-acid battery, such as a car battery.

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