Answered: Would you classify the combustion of…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter7: Reactions In Aqueous Solutions

Section: Chapter Questions

Problem 9CR: n general terms, what are the spectator ions in a precipitation reaction? Why are the spectator ions...

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Question

Would you classify the combustion of ethanol as an acid-base neutralization, precipitation, or oxidation-reduction reaction?

If you classify it is an acid-base neutralization reaction, identify the acid and base.

If you classify it as a precipitation reaction, identify the precipitate and all spectator ions.

If you classify it as an oxidation-reduction reaction, identify which species if being oxidized and which species is being reduced.

(I believe it's a redox reaction?)

Expert Solution

Step 1

The complete combustion of ethanol is a redox reaction,

as during the reaction there is change in oxidation state of carbon from $- 3 t o - 1 a n d + 4 (t h e h i g h e s t o x i d a t i o n s t a t e a t t a i n a b l e b y c a r b o n)$

Lets illustrate this by reaction

$C_{2} H_{5} O H + 3 O_{2} \to 2 C O_{2} + 3 H_{2} O + e n e r g y$

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