Decide whether each chemical reaction in the table below is...

Text: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. HNO3(aq) + H2O(l) --> H3O+(aq) + NO3-(aq) Redox reaction: Yes or No Reducing agent: Oxidizing agent: 7O2(g) + 2CH3CH3(g) --> 4CO2(g) + 6H2O(g) Redox reaction: Yes or No Reducing agent: Oxidizing agent: FeO(s) + CO(g) --> Fe(s) + CO2(g) Redox reaction: Yes or No Reducing agent: Oxidizing agent:

Transcript

00:01 Hello, so the question is based on redox reaction.

00:05 And here we are provided with an equation that is ionization of hno3, that is hno3, which is in the acquiesce phase, is being ionized in presence of h2o liquid to form h3o positive, which is again in the equest phase, plus no3 minus.

00:27 Okay we need to identify whether this given reaction is a redox reaction if so then we need to write what is the oxidizing agent reducing agent so let's see the answer for this question first of all let us find the oxidation number of this compound okay so here we have hno3 and nitrogen is the central atter okay hydrogen is having plus one charge and oxygen is having minus 2 charge so nitrogen as we do not know we can put it as so 1 plus x minus 2 into 3 is equal to 0.

01:16 Then 1 plus x minus 6 equal to 0 and here we can say x is equal to plus 5.

01:24 So nitrogen is having an oxidation state of plus 5.

01:28 Now here hydrogen in the water molecule is having plus 1 oxidation state and oxygen is having a minus 2 oxidation state.

01:37 Okay now when it comes to h3 or positive then it will be plus 3 for hydrogen and for oxygen it is again negative 2 now for here the nitrogen we do not know so that is x plus negative 2 into 3 is equal to negative 1 then x is equal to 6 minus 1 that is again plus 5 okay so here also nitrogen is having a charge of plus 5.

02:08 Now from this we can understand that there is no reduction or oxidation occurring.

02:14 So what is oxidation and reduction? whenever there is a increase in oxidation number, then we can call it as oxidation...

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