saalihahrwilliams saalihahrwilliams

03-10-2019
Chemistry

contestada

3Ni2+(aq)+2Co(s)⟶2Co3+(aq)+3Ni(s) Which substance gets oxidized?

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cristisp93 cristisp93

06-10-2019

Answer:

Co⁰ - 3e⁻ → Co³⁺ (cobalt loses electrons so it is oxidized)

Explanation:

When a substance is oxidized it means that it loses electrons.

When a substance is reduced it means that it gains electrons.

Ni²⁺ + 2e⁻ → Ni⁰ (nickel gains electrons so it is reduced)

Co⁰ - 3e⁻ → Co³⁺ (cobalt loses electrons so it is oxidized)

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