Q. 13 B4.1( 8 Votes )

Identify the subs

Answer :

Oxidised substance:-HCHO


Reduced Substance:- [Ag (NH3)2] +


Reducing agent:-HCHO


Oxidising agent:- [Ag (NH3)2] +


Explanation:- Oxidising agent is a reagent which can increase the O.N. of an element in a given substance.


Here, [Ag (NH3)2] + helps HCHO to increase its oxidation state.


The reduced substance is a reagent whose oxidation state has been decreased.


Here, in this case, Ag in [Ag (NH3)2] + has + 1 oxidation state and the O.N. is reduced to zero as Ag in the product side is present in zero O.N. (its elemental form)


The oxidised substance is a reagent whose oxidation state has been decreased.


Carbon in HCHO is present in zero oxidation state which is increased to + 2 in HCOO-.


Reducing Agent is a reagent which lowers the oxidation number of an element in a given substance.


HCHO helps [Ag (NH3)2]+ to decrease its oxidation state.


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