Concept explainers
(a)
Interpretation:
The resonance contributor for the given cation is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will be its stability.
An electron deficient carbon atom that can accept the incoming nucleophile is known as carbocation. Carbocation shows resonance structures when double bond is present in conjugation with it.
(b)
Interpretation:
The resonance contributor for the given free radical is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
(c)
Interpretation:
The resonance contributor for the given anion is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron rich carbon atom that can accept the incoming electrophile is known as carbanion. Carbanion shows resonance structures, when double bond is present in conjugation with it.
(d)
Interpretation:
The resonance contributor for the given cation is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron deficient carbon atom that can accept the incoming nucleophile is known as carbocation. Carbocation shows resonance structures when double bond is present in conjugation with it.
(e)
Interpretation:
The resonance contributor for the given anion is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron rich carbon atom that can accept the incoming electrophile is known as carbanion. Carbanion shows resonance structures, when double bond is present in conjugation with it.
(f)
Interpretation:
The resonance contributor for the given anion is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron rich carbon atom that can accept the incoming electrophile is known as carbanion. Carbanion shows resonance structures, when double bond is present in conjugation with it.
(g)
Interpretation:
The resonance contributor for the given cation is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron deficient carbon atom that can accept the incoming nucleophile is known as carbocation. Carbocation shows resonance structures when double bond is present in conjugation with it.
(h)
Interpretation:
The resonance contributor for the given cation is to be stated.
Concept introduction:
The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
An electron deficient carbon atom that can accept the incoming nucleophile is known as carbocation. Carbocation shows resonance structures when double bond is present in conjugation with it.
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Chapter 15 Solutions
Organic Chemistry (9th Edition)
- File Preview The following is a total synthesis of the pheromone of the western pine beetle. Such syntheses are interesting both because of the organic chemistry, and because of the possibility of using species specific insecticides, rather than broad band insecticides. Provide the reagents for each step. There is some chemistry from our most recent chapter in this synthesis, but other steps are review from earlier chapters. (8 points) COOEt COOEt A C COOEt COOEt COOH B OH OTS CN D E See the last homework set F for assistance on this one. H+, H₂O G OH OH The last step is just nucleophilic addition reactions, taking the ketone to an acetal, intramolecularly. But it is hard to visualize the three dimensional shape as it occurs. Frontalin, pheromone of the western pine beetlearrow_forwardFor the reaction below: 1. Draw all reasonable elimination products to the right of the arrow. 2. In the box below the reaction, redraw any product you expect to be a major product. C Major Product: Check + ◎ + X ง © Cl I F2 80 F3 I σ F4 I F5 NaOH Click and drawing F6 A 2025 McGraw Hill LLC. All Rights E F7 F8 $ # % & 2 3 4 5 6 7 8 Q W E R T Y U A S D F G H Jarrow_forwardCan I please get help with this graph. If you can show exactly where it needs to pass through.arrow_forward
- N Draw the major product of this reaction. Ignore inorganic byproducts. D 1. H₂O, pyridine 2. neutralizing work-up V P W X DE CO e C Larrow_forwardDraw the major product of this reaction. Ignore inorganic byproducts. N O' 1. H2O, pyridine 2. neutralizing work-up く 8 W aarrow_forwardIdeal Gas Law Practice Name If you need a refresher on Ideal Gas Law, go back to your Ideal Gas Law Reading Assignment from last week! On all of the following, you'll need to make sure to convert pressures to atm and convert temperatures to Kelvin in order to be able to use the R gas constant on your equation sheet! Given: Ideal Gas Law = then P= pressure V = volume R= ideal gas consent PV=nRT namount of substance n=PV/TR P=nRT/V I = temperature V=nRT/P T=PV/nR R=PV/nT 1. What pressure is required to contain 0.023 moles of nitrogen gas in a 4.2 L container at a temperature of 20.°C? 2. Oxygen gas is collected at a pressure of 123 kPa in a container which has a volume of 10.0 L. What temperature must be maintained on 0.500 moles of this gas in order to maintain this pressure? Express the temperature in degrees Celsius. 3. How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 100.0 kPa and a temperature of 100. °C? After determining the number of moles,…arrow_forward
- 1. The following conversion includes chemistry we have covered very recently, some chemistry from last term, and chemistry from the first chapter of this unit. Provide curly arrows and an explanation for this mechanism. Use the reagents in the order given. You do not need any other reagents. 1. NaOEt OEt 2.arrow_forwardCOOEt COOEt Step 1 Step 2 Step 3 COOEt COOEt COOH Step 6 OH Step 4 Step 7 (racemic) cyclizes under conditions (8) OTS Step 5 Step 8 ОН OH (racemic) Frontalin (racemic) Shown above are the steps in one of the several published syntheses of Frontalin, a pheromone of the western pine beetle. From the choices provided, show the reagents and conditions by which step 3 of this synthesis might be accomplished. List the reagent(s) in order that will accomplish this transformation. No more than 4 steps are required. List your answer as a single letter (single-step transformation) or a series of letters (multi-step transformation) with no commas separating them. For example, "ab" corresponds to: 1. Eto Na+ 2. NaOH, H₂O NOTE: The order in which you list your letters matters! Reagents: a. Eto Na* g. NaCN b. NaOH, H₂O h. SOCI₂ c. H3O+, heat i. (CH3)2CuLi, ether, -78°C d. LiAlH4 j. H₂O e. p-TsCI, pyridine k. RCO3H f. Br I. H3O+ 1,024arrow_forwardK ← nationa Login - Paymentivet MapQue Draw the major product of this reaction. Ignore inorganic byproducts and the carboxylic acid side product. N 1. excess LiAlH4 2. H₂O ✓ W aarrow_forward
- Draw the major product of this reaction. Ignore inorganic byproducts and the alcohol side product. 1. H3O+, heat 2. Neutralizing work-up Drawing Qarrow_forwardIndicate the procedure (reagent Z) to go from compound A1 to compound A2. A1 Z P(C6H5)3 A2arrow_forwardPlease help with this graph.arrow_forward
Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning