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Chloral does not react with Fehling's reagent. Fehling's reagent is used to test for reducing sugars and aldehydes, while chloral (trichloroacetaldehyde) is a chlorinated compound that does not possess the necessary functional groups to undergo the redox reaction required for a positive test. Therefore, it will not produce a color change indicative of a reaction with Fehling's solution.
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Which compound formed no precipitate with fehlings and tollens reagent?
Compounds that do not form a precipitate with Fehling's and Tollen's reagents are typically non-reducing sugars or substances that do not possess the aldehyde or ketone functional groups capable of being oxidized. For example, sucrose, a disaccharide, does not reduce these reagents and therefore does not produce a precipitate. Similarly, certain alcohols and saturated hydrocarbons will also not react with these reagents.
Why do all monosaccharide react with Benedict's reagent?
because know one cares
What is the opposite of a limiting reagent?
The opposite of a limiting reagent is an excess reagent. While a limiting reagent is the reactant that is completely consumed first in a chemical reaction, thereby determining the maximum amount of product that can be formed, the excess reagent is present in a greater quantity than needed to fully react with the limiting reagent. As a result, some of the excess reagent remains unreacted after the reaction is complete.
Will beans react with biuret reagent?
Yes, beans will react with biuret reagent. The biuret test is used to detect the presence of protein, and since beans are a rich source of proteins, they will show a positive reaction. When biuret reagent is added to a bean extract, it will change color, typically to purple, indicating the presence of peptide bonds in the proteins.
What is the molecular formula for chloral hydrate?
The molecular formula for chloral hydrate is C2H3Cl3O2.
Why ketone do not react with Fehlings solution and Tollens reagent?
Ketones do not react with Fehling's solution or Tollens' reagent because they lack the free aldehyde group necessary for these reactions to occur. Both Fehling's solution and Tollens' reagent depend on the presence of the aldehyde group to participate in redox reactions that lead to the formation of a colored precipitate. Without this aldehyde group, ketones do not undergo these reactions.
What chemical formula for Fehlings reagent?
The Fehling A solution contain copper sulfate.The Fehling B solution contain sodium potassium tartrate and sodium hydroxide.
Is honey a reducing sugar or non reducing?
yes because honey is a monosaccharide All monosaccharides reduce weak oxidizing agents such as Cu2+ in fehlings's reagent.
Does tollens reagent react with cyclohexanone?
Yes, Tollens' reagent can react with cyclohexanone. Tollens' reagent is commonly used to test for the presence of aldehydes, including cyclohexanone, by forming a silver mirror when the aldehyde is present.
After hydrolysis did sucrose give a positive test with fehlings test why orwhy not?
Sucrose would not give a positive test with Fehling's reagent after hydrolysis because sucrose is a non-reducing sugar. During hydrolysis, sucrose is broken down into its monosaccharide components (glucose and fructose), which are reducing sugars and can react with Fehling's reagent to give a positive test for reducing sugars.
Why Tollens reagent does not react with ketone?
Tollens reagent is a mild oxidizing agent that reacts with aldehydes to produce a silver mirror. Ketones, however, do not have a hydrogen atom bonded to the carbonyl group, making them resistant to oxidation by Tollens reagent. As a result, ketones do not react with Tollens reagent.
What do you call a substance to react with another element?
A "reagent" or "reactant".
Which is more sensitive test fehlings test or Benedicts test?
Benedict's test is more sensitive than Fehling's test for detecting reducing sugars in a sample. Benedict's reagent has a lower detection threshold and is known to give more accurate results compared to Fehling's reagent.
Why biuret regent react with single amino acid?
The biuret reagent should not react with a single amino acid. The reagent reacts when there is a peptide bond linking amino acids together. If you are seeing the biuret reagent react in the presence of a single amino acid, then there must be some amino acids that are still linked together.
How can you make a tertiary alcohol from a grignard reagent?
you react the grignard with either an ester, an acid chloride or a ketone to get a tertiary alchohol. if you react a grignard reagent with an aldehyde you get a secondary alcohol and if you react the grignard with formaldehyde (methenal) you get a primary alchohol. same thing happens if u use R-Li instead of a grignard reagant.
Would raffinose react with benedicts reagent?
Benedicts reagent tests for reducing sugars, so the question is, is raffinose a reducing sugar. Raffinose is a trisaccharide made up of glucose, fructose and galactose. It is not a reducing sugar because all of its anomeric carbons are bonded, so it will not react with benedicts reagent.
Will whole milk react with benedict's reagent?
No, whole milk will not react with Benedict's reagent because milk does not contain reducing sugars like glucose or fructose, which are necessary for the reaction with Benedict's reagent to occur. Benedict's reagent is used to test for the presence of reducing sugars in a solution.
