3. A student synthesized Compound 1 (following). To purity the compound, he extracted it into aqueous base and then acidified the solution to protonate the acid so that he could extract it back into ether. When he evaporated the ether, he found that the product had been converted entirely into Compound 2. 1 CH2CO2H 2 OH (a) What is the functional group that forms the ring Compound 1? In Compound 2 ? (b) How many carbon atoms are there in Compound 1? In Compound 2 ? Where did the other carbon atoms go? (c) When did the reaction occur: When the student added the base, or when he added the acid? (d) Propose a mechanism for the conversion of Compound I to Compound 2.

3. A student synthesized Compound 1 (following). To purity the compound, he extracted it into aqueous base and then acidified the solution to protonate the acid so that he could extract it back into ether. When he evaporated the ether, he found that the product had been converted entirely into Compound 2. 1 CH2CO2H 2 OH (a) What is the functional group that forms the ring Compound 1? In Compound 2 ? (b) How many carbon atoms are there in Compound 1? In Compound 2 ? Where did the other carbon atoms go? (c) When did the reaction occur: When the student added the base, or when he added the acid? (d) Propose a mechanism for the conversion of Compound I to Compound 2.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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嘉伯麗 1. Name the following alkenes, and predict the products of their reaction with (i) KMnO4 in aqueous acid and (ii) KMnO4 in aqueous NaOH: (a) (b) 2. Draw structures corresponding to the following IUPAC names: (a) 3-Ethylhept-1-yne (b) 3,5-Dimethylhex-4-en-1-yne (c) Hepta-1,5-diyne (d) 1-Methylcyclopenta-1,3-diene 3. Draw and name all the possible pentyne isomers, CsH8. 4. Predict the products of the following reactions. Indicate regioselectivity where relevant. (The aromatic ring is inert to all the indicated reagents.) CH=CH2 Styrene Pd (a) Styrene+H2 ? (b) Styrene+Br2 → ? NaOH, H2O (c) Styrene+HBr → ? (d) Styrene+KMnO4 5. Suggest structures for alkenes that give the following reaction products. There may be more than one answer for some cases. H₂Pd catalyst (a) ? (b) ? Br2 in CH2Cl2 HBr (c) ? 2-Methylhexane 2,3-Dibromo-5-methylhexane 2-Bromo-3-methylheptane CH3 HO OH CH3CHCH2CHCHCH2CH3 (d) ? KMnO₂OH- H₂O
Methyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. Will this molecule undergo protonation more readily on its oxygen or nitrogen atom? In considering contributing structures to each hybrid, do not consider structures in which more than one atom has an incomplete octet
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"A research team synthesizes a novel organic compound 'X' with the molecular formula C5H8O2. When 'X' is treated with a deuterated acid (D2O), a single deuterium atom replaces a hydrogen atom, forming compound 'Y' (C5H7DO2). 'X' does not react with 2,4-Dinitrophenylhydrazine (2,4-DNP) but does react with both Tollens' reagent and Benedict's solution, forming a silver mirror and a red precipitate, respectively. Furthermore, 'X' undergoes catalytic hydrogenation over a palladium catalyst, consuming one mole of hydrogen to form a compound 'Z' (C5H10O2). Based on these observations, what is the most likely structure of compound 'X'?" A. Methyl vinyl ketone B. 3-Buten-2-one C. Acetoacetic ester D. 2-Hydroxypent-3-enal
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A chemist synthesized compound X as a racemic mixture. When the ketone group in X was enzymatically reduced to the corresponding alcohol, a 100% yield was obtained of the product shown below. Choose the statement that best describes this result. ОН enzyme C;H1 `OCH,CH; pH 4.0 C3H1 `OCH,CH3 ОН ÕH X (racemic) (100% yield) One enantiomer of compound X reacts quickly with the enzyme. The other enantiomer of compound X is unreactive, but rapidly equilibrates with the reactive enantiomer under the reaction conditions. Since compound X was racemic, it makes sense that only a single product was obtained. O The product is a meso compound, so either enantiomer of compound X gives the same product. One enantiomer of compound X reacts quickly with the enzyme, while the other enantiomer of compound X remains unchanged.
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Write down the common (not IUPAC) names of the organic molecules that would be released if this molecule were hydrolyzed: CH,—O—C—(CH2)—CH=CH-CH,—CH=CH—(CH2) — CH3 CH-0- -(CH2)–CH=CH(CH2)CH3 O CH,—O-C=(CH2)=CH=CH(CH2)—CH3 Separate each name with a comma and a space. You will find useful information in the ALEKS Data resource. type your answer...
44. Identify the class of compound for each of the following hydrocarbon derivatives. (а) CH,— ОН (c) (b) CH3-CH2-0-CH2-CH3 (d) CH,-C-NH, CH3-C-CH,-CH3 (e) (f) CH3 - -HO- CH,-C-O- (g) (h) Cl CH,-OH
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