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Concept explainers
(a)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
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Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
Magnesium is an active metal and reacts with the polar
Thus, the product of the reaction is phenyl magensium iodide:
The structure of the product was drawn based on reversal of the charge on the carbon atom from the
(b)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
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Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
The
In essence, the reaction inserts the metal atom between the C and Br atoms and leads to a reversal of the charge on the carbon atom.
Thus, the product of the reaction is
The product of the reaction was drawn based on the reversal of charge on the C atom bonded to bromine.
(c)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
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Answer to Problem 19.1P
The product of the reaction is
Explanation of Solution
The given reaction is
Li is a very active metal and will extract the iodine atom from the substrate. The
Effectively, the reaction results in the replacement of the iodine atom by Li atom, therefore, the product will be
The product of the reaction was drawn based on the reversal of the charge on the carbon atom initially bonded to iodine.
(d)
Interpretation:
The product of the given reaction is to be drawn.
Concept introduction:
The C atom in the
This reverses the initial polarity (charge) of the carbon, allowing it to form a bond with an electron-poor carbon from say a carbonyl carbon.
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Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
The product from part (c) is cyclopentyllithium. Two moles of this compound will react with one of copper(I) iodide to form
The carbon atom in the
The product of the reactio is, therefore,
The product of the reaction was drawn based formation of a bond between the relatively electron-rich carbon atoms and the copper atom.
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Chapter 19 Solutions
Organic Chemistry: Principles And Mechanisms
- The following 'H NMR spectrum was taken with a 750 MHz spectrometer: 1.0 0.5 0.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 ' 2.0 1.0 0.0 (ppm) What is the difference Av in the frequency of RF ac Δν ac radiation absorbed by the a and c protons? (Note: it's not equal to the difference in chemical shifts.) Round your answer to 2 significant digits, and be sure it has an appropriate unit symbol. = O O a will shift left, c will shift right. O a will shift right, c will shift left. a and c will both shift left, with more space between them. Suppose a new spectrum is taken with a 500 MHz spectrometer. What will be true about this new spectrum? O a and c will both shift left, with less space between them. O a and c will both shift right, with more space between them. O a and c will both shift right, with less space between them. Which protons have the largest energy gap between spin up and spin down states? O None of the above. ○ a Ob Explanation Check C Ar B 2025 McGraw Hill LLC. All Rights Reserved.…arrow_forwardWhat mass of Na2CO3 must you add to 125g of water to prepare 0.200 m Na2CO3? Calculate mole fraction of Na2CO3, mass percent, and molarity of the resulting solution. MM (g/mol): Na2CO3 105.99; water 18.02. Final solution density is 1.04 g/mL.arrow_forward(ME EX2) Prblms Can you please explain problems to me in detail, step by step? Thank you so much! If needed color code them for me.arrow_forward
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- (ME EX2) Problems 15-16 Could you please explain problems 15 through 16 to me in detail, step by step? Thank you so much! If necessary, please color-code them for me.arrow_forward1.)show any electrophilic aromatic substitution, identify the electriphile, nucleophile and transition statearrow_forward(SE EX 2) Problems 15-16, can you please explain them to me in detail and color-code anything if necessary?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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