Concept explainers
(a)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of a
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is sec-butyl ethyl ketone.
One should follow the given two steps to derive the corresponding structure of a ketone from its common name. The first step is identification of alkyl group that common name suggests. The second step is connecting these groups with
The given name suggests that sec-butyl and ethyl groups are bonded to
Thus, the structure corresponding to the given name is,
Figure 1
The structure corresponding to the given name is drawn in Figure 1.
(b)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of a ketone from its common name. The first step is identification of alkyl group that common name suggests. The second step is connecting these groups with
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is methyl vinyl ketone.
One should follow the given two steps to derive the corresponding structure of a ketone from its common name. The first step is identification of alkyl group that common name suggests. The second step is connecting these groups with
The given name suggests that methyl and vinyl groups are bonded to
Thus, the structure corresponding to the given name is,
Figure 2
The structure corresponding to the given name is drawn in Figure 2.
(c)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of a ketone from its common name. The first step is identification of alkyl group that common name suggests. The second step is connecting these groups with
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is p-ethylacetophenone.
One should follow the given two steps to derive the corresponding structure of a ketone from its common name. The first step is identification of alkyl group that common name suggests. The second step is connecting these groups with
The given name suggests the presence of acetophenone, whose structure is,
Figure 3
Since the ethyl group is present at para position, the structure corresponding to the given name is,
Figure 4
The structure corresponding to the given name is drawn in Figure 4.
(d)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of a cyclic ketone from its common name. The first step is identification of substituents bonded to it. The second step is connecting these groups at appropriate positions, by placing the carbon of
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is
One should follow the given two steps to derive the corresponding structure of a cyclic ketone from its common name. The first step is identification of substituents bonded to it. The second step is connecting these groups at appropriate positions, by placing the carbon of
The given name suggests the presence of cyclic ring containing five carbon atoms, on which
Thus, the structure corresponding to the given name is,
Figure 5
The structure corresponding to the given name is drawn in Figure 5.
(e)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of a cyclic enone from its common name. The first step is identification of substituents bonded to it and position of double bond. The second step is connecting the groups at appropriate positions, by placing the carbon of
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is
One should follow the given two steps to derive the corresponding structure of a cyclic enone from its common name. The first step is identification of substituents bonded to it and position of double bond. The second step is connecting the groups at appropriate positions, by placing the carbon of
The given name suggests the presence of cyclic ring containing six carbon atoms, on which
Thus, the structure corresponding to the given name is,
Figure 6
The structure corresponding to the given name is drawn in Figure 6.
(f)
Interpretation: The structure corresponding to the given name is to be drawn.
Concept introduction: One should follow the given two steps to derive the corresponding structure of an enal (compound containing both
Answer to Problem 21.6P
The structure corresponding to the given name is,
Explanation of Solution
The given name is
One should follow the given two steps to derive the corresponding structure of an enal (compound containing both aldehyde and a
The given name suggests the presence of longest chain containing six carbon atoms, on which
Thus, the structure corresponding to the given name is,
Figure 7
The structure corresponding to the given name is drawn in Figure 7.
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Chapter 21 Solutions
ORGANIC CHEMISTRY
- The reaction of what nucleophile and substrate is represented by the following transition state? CH3 CH3O -Br อ δ CH3 Methanol with 2-bromopropane Methanol with 1-bromopropane Methoxide with 1-bromopropane Methoxide with 2-bromopropanearrow_forwardWhat is the stepwise mechanism for this reaction?arrow_forward32. Consider a two-state system in which the low energy level is 300 J mol 1 and the higher energy level is 800 J mol 1, and the temperature is 300 K. Find the population of each level. Hint: Pay attention to your units. A. What is the partition function for this system? B. What are the populations of each level? Now instead, consider a system with energy levels of 0 J mol C. Now what is the partition function? D. And what are the populations of the two levels? E. Finally, repeat the second calculation at 500 K. and 500 J mol 1 at 300 K. F. What do you notice about the populations as you increase the temperature? At what temperature would you expect the states to have equal populations?arrow_forward
- 30. We will derive the forms of the molecular partition functions for atoms and molecules shortly in class, but the partition function that describes the translational and rotational motion of a homonuclear diatomic molecule is given by Itrans (V,T) = = 2πmkBT h² V grot (T) 4π²IKBT h² Where h is Planck's constant and I is molecular moment of inertia. The overall partition function is qmolec Qtrans qrot. Find the energy, enthalpy, entropy, and Helmholtz free energy for the translational and rotational modes of 1 mole of oxygen molecules and 1 mole of iodine molecules at 50 K and at 300 K and with a volume of 1 m³. Here is some useful data: Moment of inertia: I2 I 7.46 x 10- 45 kg m² 2 O2 I 1.91 x 101 -46 kg m²arrow_forwardK for each reaction step. Be sure to account for all bond-breaking and bond-making steps. HI HaC Drawing Arrows! H3C OCH3 H 4 59°F Mostly sunny H CH3 HO O CH3 'C' CH3 Select to Add Arrows CH3 1 L H&C. OCH3 H H H H Select to Add Arrows Q Search Problem 30 of 20 H. H3C + :0: H CH3 CH3 20 H2C Undo Reset Done DELLarrow_forwardDraw the principal organic product of the following reaction.arrow_forward
- Curved arrows are used to illustrate the flow of electrons. Using the provided structures, draw the curved arrows that epict the mechanistic steps for the proton transfer between a hydronium ion and a pi bond. Draw any missing organic structures in the empty boxes. Be sure to account for all lone-pairs and charges as well as bond-breaking and bond-making steps. 2 56°F Mostly cloudy F1 Drawing Arrows > Q Search F2 F3 F4 ▷11 H. H : CI: H + Undo Reset Done DELLarrow_forwardCalculate the chemical shifts in 13C and 1H NMR for 4-chloropropiophenone ? Write structure and label hydrogens and carbons. Draw out the benzene ring structure when doing itarrow_forward1) Calculate the longest and shortest wavelengths in the Lyman and Paschen series. 2) Calculate the ionization energy of He* and L2+ ions in their ground states. 3) Calculate the kinetic energy of the electron emitted upon irradiation of a H-atom in ground state by a 50-nm radiation.arrow_forward
- Calculate the ionization energy of He+ and Li²+ ions in their ground states. Thannnxxxxx sirrr Ahehehehehejh27278283-4;*; shebehebbw $+$;$-;$-28283773838 hahhehdvaarrow_forwardPlleeaasseee solllveeee question 3 andd thankss sirr, don't solve it by AI plleeaasseee don't use AIarrow_forwardCalculate the chemical shifts in 13C and 1H NMR for 4-chloropropiophenone ? Write structure and label hydrogens and carbonsarrow_forward
