Nickel-Cadmium Batteries Are Used in Rechargeable Electronic Calculators

question 96

Multiple Choice

Nickel-cadmium batteries are used in rechargeable electronic calculators.Given the reaction for a discharging NiCad battery,what substance is being oxidized? Cd(s) + NiO₂(s) + 2 H₂O(l) → Cd(OH) 2(s) + Ni(OH) 2(s)

• A)Cd
• B)NiO₂
• C)H₂O
• D)Cd(OH)2
• E)Ni(OH)2

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