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for oxidation or reduction to occur, electrons have to be involved. Either they are lost or gained, and as you probably know, loosing electrons is defined as oxidation and gaining electrons as reduction. In the two examples you give, the substances have already lost or gained electrons and exist as charged particles in solution; they just switch partners. For example, in the classic definition of neutralization, a base contains ( OH- ) ions and an acid contains ( H+ ) ions. If they combine there are no electrons transferred so no oxidation or reduction takes place, and the remaining ions also combine with no electron shifts. Precipitation reactions are exactly the same except that when certain ions in solution combine,( with no electrons exchanged), the substance formed is insoluble and precipitates.
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How can you tell for sure that a redox reaction has happened?
if oxidation states change, it is a redox reaction
Is Zn plus CuCl2 yields ZnCl2 plus Cu a redox reaction?
This is a redox reaction.
What happens to a redox reaction when it is shown as a half-reaction?
The redox reaction is split into its oxidation part and it’s reduction part
What kind of reaction is calcium hydroxide with carbon dioxide?
Neutralisation reaction.
How is the neutralisation reaction of ammonia and nitric acid different from most neutralisation reactions?
Because it doesnt have water
How is oxalic acid vs NaOH titration different from oxalic acid vs potassium permegnate titration?
The former is a acid base neutralisation reaction whereas the latter is a redox reaction.
Formula for a neutralisation reaction?
neutralisation reaction: n=vm2 + charlotte
Is browning banana a redox reaction?
A browning banana is a redox reaction.
Are single displacement and double displacement reactions always redox reactions?
A single displacement reaction is always a redox reaction, buta double displacement reaction is not a redox reaction.
How can you tell for sure that a redox reaction has happened?
if oxidation states change, it is a redox reaction
How can a galvanic cell become an electrolytic?
the redox reaction is reserved
Can a neutralisation reaction be reversed?
Yes it can
A single-displacement reaction is always a redox reaction but a redox reaction isn't always a single-displacement reaction.?
This is true -APEX
A single displacement reaction is always a redox reaction but a redox reaction isnt always a single displacement reaction?
false true
Is a redox reaction always a single-displacement reaction but a single-displacement reaction isn't always a redox reaction?
This is true -APEX
How is sherbet made using neutralisation reaction?
Sherbert is made using neutralisation reaction because it makes the sherbet soft and mushy.
Is Zn plus CuCl2 yields ZnCl2 plus Cu a redox reaction?
This is a redox reaction.
