benwickersham benwickersham

12-06-2017
Chemistry

contestada

Which of the following conversions requires an oxidizing agent?

O2 yields 2O2-
SO3 yields SO42-
MnO2 yields Mn2+
Zn yields Zn2+

Respuesta :

dec77cat dec77cat

12-06-2017

Zn + H₂SO₄ = ZnSO₄ + H₂

Zn⁰ - 2e⁻ = Zn²⁺ zinc is the reducing agent
2H⁺ + 2e⁻ = H₂ hydrogen ions is oxidizer

Answer Link

hughbuera hughbuera

08-02-2019

The answer is d)

Zn has oxidation number 0; Zn(2+) has oxidation number +2. Here 2 electrons were taken away, so the Zn was oxidized. So, the transformation requires an oxidizing agent.

Answer Link

Otras preguntas

Which expression is equivalent to V-80? -455 O -4.5; O 4.5; O 415

Match the phase changes to the correct definiton. Melting --- [Answer] Boiling --- [Answer] Evaporation --- [Answer] Condensation --- [Answer] Freezing --- [Ans

Please help ASAP Thanks

Question 3 In the third stanza, the author mentions "the fretful stir/Unprofitable, and the fever of the world." What is he referring to with these words? Cite

HW#1: Polygons- Interior and Exterior Angle Sum Theorem What is the value of x? Then determine the measure of each angle. (9x -18) x= Angle Measure: 1 2 3 4

9,15,21,27,33 arithmetic, geometric or neither

wat is the way of today

Impression evidence can be:

Which object is likely to have the most value based on the concept of scarcity? a flowering plant a silver necklace a new coffee table a crop of oranges

List three ways that Native Americans altered their environment.