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Tollens are chemical reagents that are commonly used to determine whether a known carbonyl containing compound is an aldehyde. It is stated that CH3CHO will not react to tollens at all.

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11y ago
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6mo ago

Yes, CH3CHO (acetaldehyde) will react with Tollens' reagent. Tollens' reagent is commonly used to test for the presence of aldehydes, including acetaldehyde, by forming a silver mirror on the walls of the test tube when a positive result is obtained.

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Q: Will CH3CHO react to tollens
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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.


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 is the reaction of acetone and tollens reagent?

Acetone does not react with Tollens' reagent (ammoniacal silver nitrate solution) because it does not contain an aldehyde group, which is necessary for the Tollens' test to occur. Tollens' reagent reacts with aldehydes to produce a silver mirror on the inner surface of the test tube.


Is vanillin positive in tollens test?

No, vanillin is not positive in the Tollens test. The test is used to detect the presence of aldehydes, while vanillin is actually an aldehyde derivative. It does not react with Tollens reagent as traditional aldehydes would.


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.

Related questions

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.


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 is the reaction of acetone and tollens reagent?

Acetone does not react with Tollens' reagent (ammoniacal silver nitrate solution) because it does not contain an aldehyde group, which is necessary for the Tollens' test to occur. Tollens' reagent reacts with aldehydes to produce a silver mirror on the inner surface of the test tube.


Does the tollens test deal with alkenes?

No, the Tollens test is used to detect aldehydes, not alkenes. Alkenes do not react with Tollens' reagent.


Is vanillin positive in tollens test?

No, vanillin is not positive in the Tollens test. The test is used to detect the presence of aldehydes, while vanillin is actually an aldehyde derivative. It does not react with Tollens reagent as traditional aldehydes would.


what is the outcome of tollens reagent reacting with methanal, ethanol and propanone?

The outcome of the Tollens reagent reacting with methanal (formaldehyde), ethanol (ethyl alcohol), and propanone (acetone) is the formation of metallic silver (Ag) in the case of methanal, while ethanol and propanone do not show a significant reaction with Tollens reagent. Tollens reagent is used as a chemical test to distinguish between aldehydes and ketones, where aldehydes react to produce a silver mirror, while ketones do not react.


Is fructose gives positive test with tollens reagent?

Fructose does not give a positive test with Tollens' reagent because it is a reducing sugar that does not have a free aldehyde group capable of reducing the Tollens' reagent. Tollens' reagent is typically used to detect the presence of aldehydes but may not react with fructose due to its ketone functional group.


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.


Equation for the reaction of ethanal with Tollens reagent?

Well, darling, the equation you're looking for is: CH3CHO + 2[Ag(NH3)2]+ + 3OH- → 2Ag + CH3COO- + 4NH3 + 2H2O. It's a fancy way of saying that ethanal reacts with Tollens reagent to form silver, acetate, ammonia, and water. So go ahead, impress your chemistry buddies with this little gem.


Molecular geometry of CH3CHO?

moelecular geometry of ch3cho


What reaction occurs when benzil gives tollens test?

Benzil does not react with Tollens reagent because it does not contain aldehyde or ketone functional groups. Tollens reagent is a silver mirror test used for the detection of aldehydes in a sample by the reduction of silver ions to metallic silver. Benzil, being a diketone, does not undergo this reaction.


What substances give a positive tollens test?

When adding the aldehyde or ketone to Tollens' reagent, the test tube is put in a warm water bath. If the reactant under test is an aldehyde, Tollens' test results in a silver mirror. If the reactant is a ketone, it will not react because a ketone cannot be oxidized easily. A ketone has no available hydrogen atom on the carbonyl carbon that can be oxidized - unlike an aldehyde, which has this hydrogen atom.