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 What is mol. formula of fehling's reagent??

Dear Student,

Fehling reagent is mild oxidizing agent which can oxidize only aldehyde but not ketone yet both contains carbonyl group.

Fehling reagent is a mixture of copper sulphate (solution A) and sodium hydroxide and potassium sodium tartrate (solution B) , used for testing for the presence of glucose and other reducing substances. 

Molecular formula of Fehling reagent is Cu2+ +OH-

This is obtained as by following method.

Copper supphate + Rochelle salt (Sodium potassium tartarate)  

CuSo4  + NaOOC-CH(OH)-CH(OH)-COOK ------> CuSO4 + NaOH/ KOH

CuSO4 + NaOH ----> Cu (OH)2 + Na2SO4

Cu (OH)2 -------> CuO + H2O  or  Cu2+ +OH-

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he mole is a unit of measurement used in chemistry to express amounts of a chemical substance, defined as an amount of a substance that contains as many elementary entities (e.g., atoms,molecules, ions, electrons) as there are atoms in 12 grams of pure carbon-12 (12C), the isotope of carbon with atomic weight 12. This corresponds to a value of 6.02214179(30)×1023 elementary entities of that substance. It is one of the base units in the International System of Units, and has the unit symbol mol.[1]

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Zaara i suppose u haven't read the ques. properly?

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 CuSO4 SOLUTION

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Thanks...

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