
(a)
Interpretation:
Structural formula for the given
Concept Introduction:
Structure of the ketone can be drawn from the IUPAC name. In the IUPAC name, the parent chain of carbon atom can be identified and then the substituents present in it can also be identified. With these information, the structure for the given compound can be drawn. In a ketone the counting has to be done so that the carbonyl carbon atom gets the least numbering.
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- • Expanded structural formula
- • Condensed structural formula
- • Skeletal structural formula
- • Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(a)

Answer to Problem 15.38EP
The structural formula for 2-methyl-3-pentanone is,
Explanation of Solution
The given name of the compound is 2-methyl-3-pentanone. From the name it is understood that the parent carbon chain is pentane and it contains five carbon atoms. The parent chain can be drawn as shown below,
From the name of the given ketone, the substituents that are present can be identified. In this case, the substituent is a methyl group on second carbon atom. The carbonyl carbon atom is the third carbon atom.
Carbon atom has a valence of four. Hence, carbon atom can form four covalent bonds. The remaining bonds are satisfied by hydrogen atom. The structure is obtained as shown below,
Structural formula for the given ketone is drawn.
(b)
Interpretation:
Structural formula for the given ketone has to be drawn.
Concept Introduction:
Structure of the ketone can be drawn from the IUPAC name. In the IUPAC name, the parent chain of carbon atom can be identified and then the substituents present in it can also be identified. With these information, the structure for the given compound can be drawn. In a ketone the counting has to be done so that the carbonyl carbon atom gets the least numbering.
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- • Expanded structural formula
- • Condensed structural formula
- • Skeletal structural formula
- • Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(b)

Answer to Problem 15.38EP
The structural formula for 2-pentanone is,
Explanation of Solution
The given name of the compound is 2-pentanone. From the name it is understood that the parent carbon chain is pentane and it contains five carbon atoms. The parent chain can be drawn as shown below,
From the name of the given ketone, the substituents that are present can be identified. In this case, there are no substituents. The carbonyl carbon atom is the second carbon atom..
Carbon atom has a valence of four. Hence, carbon atom can form four covalent bonds. The remaining bonds are satisfied by hydrogen atom. The structure is obtained as shown below,
Structural formula for the given ketone is drawn.
(c)
Interpretation:
Structural formula for the given ketone has to be drawn.
Concept Introduction:
Structure of the ketone can be drawn from the IUPAC name. In the IUPAC name, the parent chain of carbon atom can be identified and then the substituents present in it can also be identified. With these information, the structure for the given compound can be drawn. In a ketone the counting has to be done so that the carbonyl carbon atom gets the least numbering.
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- • Expanded structural formula
- • Condensed structural formula
- • Skeletal structural formula
- • Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(c)

Answer to Problem 15.38EP
The structural formula for bromopropanone is,
Explanation of Solution
The given name of the compound is bromopropanone. From the name it is understood that the parent carbon chain is propane and it contains three carbon atoms. The parent chain can be drawn as shown below,
From the name of the given ketone, the substituents that are present can be identified. In this case a bromine atom is present as a substituent. The carbonyl carbon atom is the second carbon atom as that is the only possibility.
Carbon atom has a valence of four. Hence, carbon atom can form four covalent bonds. The remaining bonds are satisfied by hydrogen atom. The structure is obtained as shown below,
Structural formula for the given ketone is drawn.
(d)
Interpretation:
Structural formula for the given ketone has to be drawn.
Concept Introduction:
Structure of the ketone can be drawn from the IUPAC name. In the IUPAC name, the parent chain of carbon atom can be identified and then the substituents present in it can also be identified. With these information, the structure for the given compound can be drawn. In a ketone the counting has to be done so that the carbonyl carbon atom gets the least numbering.
The structural representation of organic compound can be done in 2D and 3D. In two-dimensional representation, there are four types of representation in which an organic compound can be drawn. They are,
- • Expanded structural formula
- • Condensed structural formula
- • Skeletal structural formula
- • Line-angle structural formula
Structural formula which shows all the atoms in a molecule along with all the bonds that is connecting the atoms present in the molecule is known as Expanded structural formula.
Structural formula in which grouping of atoms are done and in which the central atoms along with the other atoms are connected to them are treated as group is known as Condensed structural formula.
Structural formula that shows the bonding between carbon atoms alone in the molecule ignoring the hydrogen atoms being shown explicitly is known as Skeletal structural formula.
Structural formula where a line represent carbon‑carbon bond and the carbon atom is considered to be present in each point and the end of lines is known as Line-angle structural formula.
(d)

Answer to Problem 15.38EP
The structural formula for cyclopentanone is,
Explanation of Solution
The given name of the compound is cyclopentanone. From the name it is understood that the parent carbon chain is cyclic carbon chain that contains five carbon atoms. The parent chain can be drawn as shown below,
From the name of the given ketone, the substituents that are present can be identified. In this case, there are no substituents. The carbonyl carbon atom is any one of the carbon atom. Therefore, the structural formula of cyclopentanone can be drawn as shown below,
Structural formula for the given ketone is drawn.
Want to see more full solutions like this?
Chapter 15 Solutions
GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
- 1. Show the steps necessary to make 2-methyl-4-nonene using a Wittig reaction. Start with triphenylphosphine and an alkyl halide. After that you may use any other organic or inorganic reagents. 2. Write in the product of this reaction: CH3 CH₂ (C6H5)₂CuLi H₂O+arrow_forward3. Name this compound properly, including stereochemistry. H₂C H3C CH3 OH 4. Show the step(s) necessary to transform the compound on the left into the acid on the right. Bri CH2 5. Write in the product of this LiAlH4 Br H₂C OHarrow_forwardWhat are the major products of the following reaction? Please provide a detailed explanation and a drawing to show how the reaction proceeds.arrow_forward
- What are the major products of the following enolate alkylation reaction? Please include a detailed explanation as well as a drawing as to how the reaction proceeds.arrow_forwardA block of zinc has an initial temperature of 94.2 degrees celcius and is immererd in 105 g of water at 21.90 degrees celcius. At thermal equilibrium, the final temperature is 25.20 degrees celcius. What is the mass of the zinc block? Cs(Zn) = 0.390 J/gxdegrees celcius Cs(H2O) = 4.18 J/gx degrees celcusarrow_forwardPotential Energy (kJ) 1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction. AH = -950 kJ AH = 575 kJ (i) Cl₂ (g) + Pt (s) 2C1 (g) + Pt (s) Ea = 1550 kJ (ii) Cl (g)+ CO (g) + Pt (s) → CICO (g) + Pt (s) (iii) Cl (g) + CICO (g) → Cl₂CO (g) Ea = 2240 kJ Ea = 2350 kJ AH = -825 kJ 2600 2400 2200 2000 1800 1600 1400 1200 1000 a. Draw the potential energy diagram for the reaction. Label the data points for clarity. The potential energy of the reactants is 600 kJ 800 600 400 200 0 -200- -400 -600- -800- Reaction Progressarrow_forward
- Can u help me figure out the reaction mechanisms for these, idk where to even startarrow_forwardHi, I need your help with the drawing, please. I have attached the question along with my lab instructions. Please use the reaction from the lab only, as we are not allowed to use outside sources. Thank you!arrow_forwardHi, I need your help i dont know which one to draw please. I’ve attached the question along with my lab instructions. Please use the reaction from the lab only, as we are not allowed to use outside sources. Thank you!arrow_forward
- 5. Write the formation reaction of the following complex compounds from the following reactants: 6. AgNO₃ + K₂CrO₂ + NH₄OH → 7. HgNO₃ + excess KI → 8. Al(NO₃)₃ + excess NaOH →arrow_forwardIndicate whether the product formed in the reaction exhibits tautomerism. If so, draw the structure of the tautomers. CO₂C2H5 + CH3-NH-NH,arrow_forwardDraw the major product of this reaction N-(cyclohex-1-en-1-yl)-1-(pyrrolidino) reacts with CH2=CHCHO, heat, H3O+arrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning
