
(a)
Interpretation:
Structural formula of the organic product formed when propanal undergoes Tollen’s test has to be drawn.
Concept Introduction:
In
In organic chemistry, reduction reaction is referred to the number
Alcohols undergo
Aldehyde undergoes oxidation to give carboxylic acid as the product while ketone does not undergo oxidation reaction.
Tollen’s test:
This is also known as silver mirror test. The reagent that is used in Tollen’s test is silver nitrate and ammonia in water. Aldehyde reacts with Tollen’s reagent, where the silver ion is reduced to silver metal and the aldehyde is oxidized to carboxylic acid.
Ketone does not undergo Tollen’s test to deposit silver metal.
Benedict’s test:
This test is also similar to Tollen’s test. In this test,
(a)

Answer to Problem 15.78EP
The structure of organic product obtained is,
Explanation of Solution
Aldehydes undergo Tollen’s test. The product formed when aldehyde undergo oxidation is a carboxylic acid. The general oxidation reaction for aldehyde can be given as,
Given aldehyde is propanal and the structure can be given as shown below,
This on reaction with Tollen’s reagent gives carboxylic acid as the product. The structure of the organic product formed and the complete reaction can be given as shown below,
Propanoic acid is formed from propanal when it undergoes Tollen’s test.
The structure of the organic product formed is drawn.
(b)
Interpretation:
Structural formula of the organic product formed when 3-pentanone undergoes Tollen’s test has to be drawn.
Concept Introduction:
In organic chemistry, oxidation reaction is referred to the number
In organic chemistry, reduction reaction is referred to the number
Alcohols undergo oxidation reaction and reduction reaction. This depends upon the number of hydrogen atoms that is bonded to the alpha carbon atom. Primary and secondary alcohol undergoes oxidation reaction while tertiary alcohol does not undergo oxidation reaction. Primary alcohols undergo oxidation to give aldehyde and carboxylic acid as product. Secondary alcohol undergoes oxidation to give ketone as the product.
Aldehyde undergoes oxidation to give carboxylic acid as the product while ketone does not undergo oxidation reaction.
Tollen’s test:
This is also known as silver mirror test. The reagent that is used in Tollen’s test is silver nitrate and ammonia in water. Aldehyde reacts with Tollen’s reagent, where the silver ion is reduced to silver metal and the aldehyde is oxidized to carboxylic acid.
Ketone does not undergo Tollen’s test to deposit silver metal.
Benedict’s test:
This test is also similar to Tollen’s test. In this test,
(b)

Answer to Problem 15.78EP
3-pentanone does not undergo Tollen’s test.
Explanation of Solution
Aldehydes undergo Tollen’s test. The product formed when aldehyde undergo oxidation is a carboxylic acid. The general oxidation reaction for aldehyde can be given as,
Given compound is a ketone that is 3-pentanone and the structure can be given as shown below,
This on reaction with Tollen’s reagent does not give oxidized product. Therefore, no reaction takes place when 3-pentanone reacts with Tollen’s reagent.
3-pentanone does not react with Tollen’s reagent.
No reaction takes place when 3-pentanone undergoes Tollen’s test.
(c)
Interpretation:
Structural formula of the organic product formed when methylpropanal undergoes Benedict’s test has to be drawn.
Concept Introduction:
In organic chemistry, oxidation reaction is referred to the number
In organic chemistry, reduction reaction is referred to the number
Alcohols undergo oxidation reaction and reduction reaction. This depends upon the number of hydrogen atoms that is bonded to the alpha carbon atom. Primary and secondary alcohol undergoes oxidation reaction while tertiary alcohol does not undergo oxidation reaction. Primary alcohols undergo oxidation to give aldehyde and carboxylic acid as product. Secondary alcohol undergoes oxidation to give ketone as the product.
Aldehyde undergoes oxidation to give carboxylic acid as the product while ketone does not undergo oxidation reaction.
Tollen’s test:
This is also known as silver mirror test. The reagent that is used in Tollen’s test is silver nitrate and ammonia in water. Aldehyde reacts with Tollen’s reagent, where the silver ion is reduced to silver metal and the aldehyde is oxidized to carboxylic acid.
Ketone does not undergo Tollen’s test to deposit silver metal.
Benedict’s test:
This test is also similar to Tollen’s test. In this test,
(c)

Answer to Problem 15.78EP
The structure of organic product obtained is,
Explanation of Solution
Aldehydes undergo Benedicts’s test. The product formed when aldehyde undergo oxidation is a carboxylic acid. The general oxidation reaction for aldehyde can be given as,
Given aldehyde is methylpropanal and the structure can be given as shown below,
This on reaction with Tollen’s reagent gives carboxylic acid as the product. The structure of the organic product formed and the complete reaction can be given as shown below,
2-methylpropanoic acid is formed from methylpropanal when it undergoes Benedict’s test.
The structure of the organic product formed is drawn.
(d)
Interpretation:
Structural formula of the organic product formed when propanone undergoes Benedict’s test has to be drawn.
Concept Introduction:
In organic chemistry, oxidation reaction is referred to the number
In organic chemistry, reduction reaction is referred to the number
Alcohols undergo oxidation reaction and reduction reaction. This depends upon the number of hydrogen atoms that is bonded to the alpha carbon atom. Primary and secondary alcohol undergoes oxidation reaction while tertiary alcohol does not undergo oxidation reaction. Primary alcohols undergo oxidation to give aldehyde and carboxylic acid as product. Secondary alcohol undergoes oxidation to give ketone as the product.
Aldehyde undergoes oxidation to give carboxylic acid as the product while ketone does not undergo oxidation reaction.
Tollen’s test:
This is also known as silver mirror test. The reagent that is used in Tollen’s test is silver nitrate and ammonia in water. Aldehyde reacts with Tollen’s reagent, where the silver ion is reduced to silver metal and the aldehyde is oxidized to carboxylic acid.
Ketone does not undergo Tollen’s test to deposit silver metal.
Benedict’s test:
This test is also similar to Tollen’s test. In this test,
(d)

Answer to Problem 15.78EP
Propanone does not undergo Benedict’s test.
Explanation of Solution
Aldehydes undergo Benedict’s test. The product formed when aldehyde undergo oxidation is a carboxylic acid. The general oxidation reaction for aldehyde can be given as,
Given compound is a ketone. The name of ketone is propanone and the structure can be given as shown below,
This on reaction with Benedict’s reagent does not give oxidized product. Therefore, no reaction takes place when propanone undergoes Benedict’s test.
Propanone does not undergo Benedict’s test.
No reaction takes place when propanone undergoes Benedict’s test.
Want to see more full solutions like this?
Chapter 15 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
- For each reaction below, decide if the first stable organic product that forms in solution will create a new CC bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. དྲ。 ✗MgBr ? O CI Will the first product that forms in this reaction create a new C-C bond? Yes No • ? Will the first product that forms in this reaction create a new CC bond? Yes No × : ☐ Xarrow_forwardPredict the major products of this organic reaction: OH NaBH4 H ? CH3OH Note: be sure you use dash and wedge bonds when necessary, for example to distinguish between major products with different stereochemistry. Click and drag to start drawing a structure. ☐ : Sarrow_forwardPredict the major products of this organic reaction: 1. LIAIHA 2. H₂O ? Note: be sure you use dash and wedge bonds when necessary, for example to distinguish between major products with different stereochemistry. Click and drag to start drawing a structure. X : ☐arrow_forward
- For each reaction below, decide if the first stable organic product that forms in solution will create a new C - C bond, and check the appropriate box. Next, for each reaction to which you answered "Yes" to in the table, draw this product in the drawing area below. Note for advanced students: for this problem, don't worry if you think this product will continue to react under the current conditions - just focus on the first stable product you expect to form in solution. NH2 tu ? ? OH Will the first product that forms in this reaction create a new CC bond? Yes No Will the first product that forms in this reaction create a new CC bond? Yes No C $ ©arrow_forwardAs the lead product manager at OrganometALEKS Industries, you are trying to decide if the following reaction will make a molecule with a new C-C bond as its major product: 1. MgCl ? 2. H₂O* If this reaction will work, draw the major organic product or products you would expect in the drawing area below. If there's more than one major product, you can draw them in any arrangement you like. Be sure you use wedge and dash bonds if necessary, for example to distinguish between major products with different stereochemistry. If the major products of this reaction won't have a new CC bond, just check the box under the drawing area and leave it blank. Click and drag to start drawing a structure. This reaction will not make a product with a new CC bond. G marrow_forwardIncluding activity coefficients, find [Hg22+] in saturated Hg2Br2 in 0.00100 M NH4 Ksp Hg2Br2 = 5.6×10-23.arrow_forward
- give example for the following(by equation) a. Converting a water insoluble compound to a soluble one. b. Diazotization reaction form diazonium salt c. coupling reaction of a diazonium salt d. indacator properties of MO e. Diazotization ( diazonium salt of bromobenzene)arrow_forward2-Propanone and ethyllithium are mixed and subsequently acid hydrolyzed. Draw and name the structures of the products.arrow_forward(Methanesulfinyl)methane is reacted with NaH, and then with acetophenone. Draw and name the structures of the products.arrow_forward
- 3-Oxo-butanenitrile and (E)-2-butenal are mixed with sodium ethoxide in ethanol. Draw and name the structures of the products.arrow_forwardWhat is the reason of the following(use equations if possible) a.) In MO preperation through diazotization: Addition of sodium nitrite in acidfied solution in order to form diazonium salt b.) in MO experiment: addition of sodium hydroxide solution in the last step to isolate the product MO. What is the color of MO at low pH c.) In MO experiment: addition of sodium hydroxide solution in the last step to isolate the product MO. What is the color of MO at pH 4.5 d.) Avoiding not cooling down the reaction mixture when preparing the diazonium salt e.) Cbvcarrow_forwardA 0.552-g sample of an unknown acid was dissolved in water to a total volume of 20.0 mL. This sample was titrated with 0.1103 M KOH. The equivalence point occurred at 29.42 mL base added. The pH of the solution at 10.0 mL base added was 3.72. Determine the molar mass of the acid. Determine the Ka of the acid.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning




