identify aldehyde's using Fehlings and tollens test

Question 1

what is functional group

Answer 1

a functional group is a specific group of data that are responsible for characteristics chemical and physical properties of compound

Question 2

what functional group present in pentanol

Answer 2

alcohol

Question 3

name the chemicals used in tollens reagent

Answer 3

solution of silver nitrate (AgNO3) and ammonia (NH3)

Question 4

what is the composition of the fehlings solution

Answer 4

Fehling A=solution of copper sulphate
Fehling B= solution of NaO and rouchelle salt KNaC4H4O6 . H20

Question 5

what is the function of Rochelle salt in fehling solution

Answer 5

Rochelle salt stabilizes and dissolve copper ion , prevents the formation of of cupric hydroxide and allows for accurate detection for reducing sugar

Question 6

what is more reactive aldehyde or ketones

Answer 6

aldehyde are generally more reactive due to the presence of hydrogen atom of carboxylic group which allows electron deficient compounds to make bond with it