Tollen reagent is used for the detection of aldehydes. When a solution of `AgNO_(3)` is added to glucose with `NH_(4)OH`, then gluconic acid is formed. `Ag^(o+)+e^(-) rarr Ag," "E^(c-)._(red)=0.8V` `C_(6)H_(12)O_(6)rarr underset(Gluconic aci d)(C_(6)H_(12)O_(7)+)2H^(o+)+2e^(-) , " "E^(c-)._(o x i d ) =-0.05V` `[Ag(NH_(3))_(2)]^(o+)+e^(-) rarr Ag(s)+2NH_(3), " "E^(c-)._(red)=0.337V` `[Use2.303xx(RT)/(F)=0.0592` and `(F)/(RT)=38.92at 298 K ]` Ammonia is always added in this reaction. Which of the followijng must be wrong ?A. `NH_(3)` is a stronger with `Ag^(+)` to form a complexB. `Ag(NH_(3))_(2)^(+)` is a stronger oxidising reagent than `Ag^(+)`C. In the absence of `NH_(3)` silver salt of gluconic acid is formed.D. `NH_(3)` has affected the standard reduction potential of glucose glueconic acid electrode

Tollen reagent is used for the detection of aldehydes. When a solution

1.	Tollen reagent is used for the detection of aldehydes. When a solution of `AgNO_(3)` is added to glucose with `NH_(4)OH`, then gluconic acid is formed. `Ag^(o+)+e^(-) rarr Ag," "E^(c-)._(red)=0.8V` `C_(6)H_(12)O_(6)rarr underset(Gluconic aci d)(C_(6)H_(12)O_(7)+)2H^(o+)+2e^(-) , " "E^(c-)._(o x i d ) =-0.05V` `[Ag(NH_(3))_(2)]^(o+)+e^(-) rarr Ag(s)+2NH_(3), " "E^(c-)._(red)=0.337V` `[Use2.303xx(RT)/(F)=0.0592` and `(F)/(RT)=38.92at 298 K ]` Ammonia is always added in this reaction. Which of the followijng must be wrong ?A. `NH_(3)` is a stronger with `Ag^(+)` to form a complexB. `Ag(NH_(3))_(2)^(+)` is a stronger oxidising reagent than `Ag^(+)`C. In the absence of `NH_(3)` silver salt of gluconic acid is formed.D. `NH_(3)` has affected the standard reduction potential of glucose glueconic acid electrode
Answer» Correct Answer - d

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What are elementary reactions ?

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