Cu(s) + NO3- (aq) ---> Cu2+ (aq) + NO
Balance the following oxidation-reduction reaction that occurs in acidic solution using the half-reaction method.

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kayyBeeeesras2tl6ey kayyBeeeesras2tl6ey

05-08-2016
Chemistry

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Cu(s) + NO3- (aq) ---> Cu2+ (aq) + NO
Balance the following oxidation-reduction reaction that occurs in acidic solution using the half-reaction method.

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Hussain514 Hussain514 · Answer 1 · 2016-08-06T12:39:46+02:00

oxidation half reaction :-

Cu --------> Cu2+ + 2e- ...(1)

this is the balanced oxidation half reaction

b) reduction half reaction :-

NO3- -----------> NO

balance oxidation no.

NO3- + 3e- --------> NO

balance charge by adding H+

NO3- + 3e- + 4H+ ---------> NO

now balance O and H atoms by addin H2O...

NO3- + 3e- + 4H+ ---------> NO + 2H2O....(2)

this is balanced reduction half reaction

multiply (1) by 3 and (2) by 2 and add

3Cu ---------> 3Cu2+ + 6e-
2NO3- + 6e- + 8H+ ---------> 2NO + 4H2O
--------------------------------------...

6e- will cancel out fom both sides...

3Cu + 2NO3- + 8H+ ---------> 3Cu2+ + 2NO + 4H2O

Cu(s) + NO3- (aq) ---> Cu2+ (aq) + NO Balance the following oxidation-reduction reaction that occurs in acidic solution using the half-reaction method.

Respuesta :

Otras preguntas

Cu(s) + NO3- (aq) ---> Cu2+ (aq) + NO
Balance the following oxidation-reduction reaction that occurs in acidic solution using the half-reaction method.