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  • Which of the following reagent is known as Tollen's reagent?Option: 1 <

Which of the following reagent is known as Tollen's reagent?

Option: 1

NH_4OH+NH_4Cl


Option: 2

Cu_2Cl_2+NH_4OH


Option: 3

AgNO_3+NH_4OH


Option: 4

None of these


Answers (1)

best_answer

As we learnt

 

Tollen's Test AgNO3+NH4OH -

 

All Aldehydes, \alpha - Hydroxy Ketone and Hemiacetal give positive test

- wherein

R-CHO\overset{Ag_{2}O}{\rightarrow}R-COO^{-}+ Ag\downarrow (ppt\:white)

 

 

 

Posted by

Gautam harsolia

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