Question

In which equation does the oxidation of the underlined compound occur?

Answer 1

Answer:

This is an oxidation-reduction (redox) reaction:

2 CuII + 4 e- → 2 Cu0 (reduction)

C0 - 4 e- → CIV (oxidation)

CuO is an oxidizing agent, C is a reducing agent.

cuO – Copper(II) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02

Other names: Cupric oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Copper monoxide source: wikidata, accessed: 2019-09-02, Copper oxide source: wikidata, accessed: 2019-09-02

Appearance: Black to brown powder

C

Names: Carbon black source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Acetylene black source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Channel black source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02

Appearance: Odourless black pellets or extremely fine powder source: ICSC, accessed: 2019-09-04; Black, odorless solid. source: NIOSH NPG, accessed: 2019-09-02

Products:Cu

Names: Copper source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Copper (dusts and mists, as Cu) source: NIOSH NPG, accessed: 2019-09-02, Cu source: wikidata, accessed: 2019-09-07

Appearance: Solid in various forms. turns green on exposure to moist air source: ICSC, accessed: 2019-09-04; Reddish, lustrous, malleable, odorless solid. source: NIOSH NPG, accessed: 2019-09-02

CO2

Names: Carbon dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, {{plainlist| source: wikipedia, accessed: 2019-09-27, CO2 source: wikidata, accessed: 2019-09-02

Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Odourless colourless compressed liquefied gas source: ICSC, accessed: 2019-09-04; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.] source: NIOSH NPG, accessed: 2019-09-02