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4. Which tautomer of phenol is favored and why? A. enol, better hydrogen bonding C. keto,...
1) Select the option which indicates how tautomers of carbonyl compound isomers are related: A. R/S...
1) Select the option which indicates how tautomers of carbonyl compound isomers are related: A. R/S stereoisomers C. keto/enol constitutional isomers B. cis/trans geometric isomers D. branched alkane constitutional isomers 2) Indicate the correct keto isomer for the compound on the left: OH ОН ? C. D. A. B. OH 3) Of these options, which tautomer of phenol is favored? (Also give the reason why) A. enol, better hydrogen bonding C. keto, better C=O resonance B. enol, aromaticity D. 1:1...
19. Which of the following can undergo keto-enol tautomerism? a. 2,4-dimethyl-3-pentanoneb. 2.2.4,4-tetramethyl-3-pentanone c, both a and...
19. Which of the following can undergo keto-enol tautomerism? a. 2,4-dimethyl-3-pentanoneb. 2.2.4,4-tetramethyl-3-pentanone c, both a and b d. neither a norb 20. Which of the following compounds is a tautomer of the following compound? MOH OH OH c. both a and b d. neither a norb 21. Examine the following ball-and-stick models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. How is this reaction classified? a. oxidation b. reduction c. tautormerization d. hemiacetal formation...
please help in all sections asap!! Which type of electron is the highest in energy? An electron in an an...
please help in all sections asap!!
Which type of electron is the highest in energy? An electron in an anti-bonding molecular orbital. An electron in a bonding molecular orbital. An electron in an atomic orbital. O A non-bonding electron. Choose a systematic name for the following compound. 1,4 dimethyl ethyl benzene 1,4 diethyl methyl benzene 1,4-diisopropylbenzene 1,4 dipropylbenzene Answer the following questions. -OR Would you expect the above compound to be aromatic? Yes No Choose the correct explanations for the...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen bonding C.Heat Capacity D.Both A and B E.Both B and C ene chloride)? 8. Why is triflate (A) a better leaving group then tosylate (B) OSICF В A A. Atomic Size B. Resonance C. Hybridization D.Polarizability E. Inductive Effects E 9. Which compound is the stronger Base? A. Lithium Hydroxide B. Sodium Acetate C. Triethyl amine D. Potassium tert-butoxide E. Water 10. What is...
1.The main product of the reaction between p-cresol and Br2 / FeBr3 is: 3-Bromo-4-methyl phenol 2-Bromo-4-methyl...
1.The main product of the reaction between p-cresol and Br2 / FeBr3 is: 3-Bromo-4-methyl phenol 2-Bromo-4-methyl phenol 2-methyl-4-bromine phenol 3-methyl-4-bromine phenol 2.Which of the following compounds is the least reactive in the nucleophilic substitution with NaOH? 2,4-dinitrochlorobenzene m-nitrochlorobenzene o-nitrochlorobenzene 3,5-dinitrochlorobenzene 3.What is the mechanism (s) for the reaction of 4-bromo-1-nitrobenzene with sodium hydroxide to form 4-nitrophenol? bimolecular nucleophilic substitution (Sn2) aromatic nucleophilic substitution by addition-elimination aromatic nucleophilic substitution by elimination-addition aromatic electrophilic substitution 4.which of the following is the correct...
Complete the following reactions which form ethers (A and B) and cyclic ethers (C-E) as major...
Complete the following reactions which form ethers (A and B) and cyclic ethers (C-E) as major products. SHOW MECHANISMS FOR ALL A) (1R, 2R)1,2-dimethylpropan-1-ol (2 has a dash Methyl and 1 has a wedge methyl) reacts with NaH/CH3CH2Br B) 3-methylpent-3-ene reacts with Hg(OAc)2/ CH3CH2OH, NaBH4 C) 2-cyano-6-methyl cyclohept-1,4,6-triene-4-al reacts with MCPBA/CH2Cl2 D) (2R,3S)- 2-bromo-butan-3-ol reacts with NaOH E) Cyclobutyl as the base chain with (CH2OH attached at Carbon 1 and CH2CH2Br attached at carbon 2) reacts with KOH F) 2-methylcyclohexene...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits, and the phosphodiester linkage c. bases, ribose units, and the glycosidic bond type bases and the ribose units oaly 5. The solubility characteristics of the pyrimidine or purine bases and the corresponding nucleosides differ greatly. Which of the following statements is not true? a. purine bases are quite soluble in water b, nucleosides are much more soluble than the corresponding bases c....
1) Select the option which indicates how tautomers of carbonyl compound isomers are related: A. R/S stereoisomers C. keto/enol constitutional isomers B. cis/trans geometric isomers D. branched alkane constitutional isomers 2) Indicate the correct keto isomer for the compound on the left: OH ОН ? C. D. A. B. OH 3) Of these options, which tautomer of phenol is favored? (Also give the reason why) A. enol, better hydrogen bonding C. keto, better C=O resonance B. enol, aromaticity D. 1:1...
19. Which of the following can undergo keto-enol tautomerism? a. 2,4-dimethyl-3-pentanoneb. 2.2.4,4-tetramethyl-3-pentanone c, both a and b d. neither a norb 20. Which of the following compounds is a tautomer of the following compound? MOH OH OH c. both a and b d. neither a norb 21. Examine the following ball-and-stick models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. How is this reaction classified? a. oxidation b. reduction c. tautormerization d. hemiacetal formation...
please help in all sections asap!!
Which type of electron is the highest in energy? An electron in an anti-bonding molecular orbital. An electron in a bonding molecular orbital. An electron in an atomic orbital. O A non-bonding electron. Choose a systematic name for the following compound. 1,4 dimethyl ethyl benzene 1,4 diethyl methyl benzene 1,4-diisopropylbenzene 1,4 dipropylbenzene Answer the following questions. -OR Would you expect the above compound to be aromatic? Yes No Choose the correct explanations for the...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen bonding C.Heat Capacity D.Both A and B E.Both B and C ene chloride)? 8. Why is triflate (A) a better leaving group then tosylate (B) OSICF В A A. Atomic Size B. Resonance C. Hybridization D.Polarizability E. Inductive Effects E 9. Which compound is the stronger Base? A. Lithium Hydroxide B. Sodium Acetate C. Triethyl amine D. Potassium tert-butoxide E. Water 10. What is...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits, and the phosphodiester linkage c. bases, ribose units, and the glycosidic bond type bases and the ribose units oaly 5. The solubility characteristics of the pyrimidine or purine bases and the corresponding nucleosides differ greatly. Which of the following statements is not true? a. purine bases are quite soluble in water b, nucleosides are much more soluble than the corresponding bases c....
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