Concept explainers
(a)
Interpretation: The structure of five constitutional isomers with molecular formula C4H8 has to be drawn.
Concept introduction: Isomers are the compounds having same molecular formula but different structures. Constitutional isomers are the isomers have different connectivity of atoms. The degree of unsaturation in a compound having molecular formula CaHbNcOd is expressed as follows:
Degree of unsaturation
Where, a = number of carbon
b = number of hydrogen atoms
c = number of nitrogen atoms
(b)
Interpretation: The structure of nine constitutional isomers with molecular formula C7H16 has to be drawn.
Concept introduction: Isomers are the compounds having same molecular formula but different structures. Constitutional isomers are the isomers have different connectivity of atoms. The degree of unsaturation in a compound having molecular formula CaHbNcOd is expressed as follows:
Degree of unsaturation
Where, a = number of carbon atoms
b = number of hydrogen atoms
c = number of nitrogen atoms
(c)
Interpretation: The structure of twelve constitutional isomers containing a ring with molecular formula C6H12 has to be drawn.
Concept introduction: Isomers are the compounds having same molecular formula but different structures. Constitutional isomers are the isomers have different connectivity of atoms. The degree of unsaturation in a compound having molecular formula CaHbNcOd is expressed as follows:
Degree of unsaturation
Where, a = number of carbon atoms
b = number of hydrogen atoms
c = number of nitrogen atoms
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Chapter 4 Solutions
Organic Chemistry
- Draw the structure of a compound with molecular formula C5H12 that has a. one tertiary carbon. b. no secondary carbons.arrow_forwardLabel the following pairs of compounds as: a. identical b. constitutional isomers c. neither Place the letter of the correct answer in the blank. CH3 and -CH3arrow_forwardDraw the structure of all compounds that fit the following descriptions. twelve constitutional isomers having the molecular formula C6H12 andcontaining one ringarrow_forward
- Is it possible for a motor fuel to have a negative octane rating? Explain.arrow_forwardDraw all six ketone constitutional isomers of the formula C6H12O Follow the instructions and draw the five different possible arrangements of six carbon units. For parts A-C, draw only the six carbon atoms and Do Not draw the ketone. A:draw the structure containing six carbons in the longest parent chain. B: draw the two structures containing five carbons in the longest parent chain. C: Draw the two structures containing four carbons in the longest parent chain. D: Using the five structures from parts A,B,&C as a guide, draw the skeletal structures of the six constitutional isomers of C6H12O that are ketones.arrow_forwardGive the IUPAC name for each of the fi ve constitutional isomers of molecular formula C 6H 14 in Problem 12.40.arrow_forward
- What are the systematic (IUPAC) names for the compounds shown? A. OH H3C systematic (IUPAC) name: B. H3C-CH₂-CH-CH₂ LL CH3 OH systematic (IUPAC) name:arrow_forwardConsider the sawhorse representations below labeled A and B and answer the question that follows. H3C H H3C CH3 C/ CH3 A B What structural relationship exists between A and B? A and B are diastereomers A and B are constitutional isomers A and B represent different conformations of the same molecule A and B are enantiomersarrow_forward1. Answer the following: a) What is the IUPAC name of the acyclic unbranched alkane that contains six carbons? b) How are structural isomers best defined? i. compounds with the same molecular formula whose atoms are bonded together in different arrangements ii. compounds with the same molecular formula whose atoms are bonded together in the same arrangement, but drawn differently iii. compounds with similar structural formulas, but different numbers of hydrogens iv. none of the above c) Which of the following statements is false concerning line structures of alkanes? i. Each carbon atom has 4 bonds, although they may not all be shown explicitly ii. The lines represent bonds between the carbon atoms. iii. Hydrogen atoms are not shown because they are not present in the molecule iv. none of the abovearrow_forward
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