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In a phenol, which group is the substituent on the benzene ring? a. carbonyl ]b alcohol...
If a benzene ring has one methyl group as a substituent, will the next substituent add to the benzene ring in the ortho, meta, or para position? Select one: a. para or meta b. para only c. meta only d. ortho only e. ortho or meta f. Ortho or para
5. Which of the following is not a meta-directing substituent when presenbt on the benzene ring? Please give explanation, too. 5. Which of the following is not a meta-directing substituent when present on the benzenering? a) -NHCOCH b) -NO2 d) -C N e).CO2H
please answer all 40. Which is the correct IUPAC name for "isobutyl alcohol?" a) 1-butanol c) 2-butanol b) 2-methyl-1-propanol d)2-methyl-2-propanol e) none of these 41. In a phenol, which group is the substituent on the benzene ring? a) fluoro b) hydroxyl c) sulfhydryl d) carbonyl e ) carboxyl H,C-CH2OH 42. Which is the correct IUPAC name for this compound? HyC-CH-CH2-CH-CH, a) 2-ethyl-4-pentanol c) 4-ethyl-2-pentanol b) 3-methyl-5-hexanol d) 4-methyl-2-hexanol 43. Identify the electron group geometry at each of the carbon atoms...
Identify the functional groups present in ibuprofen. O Н.С. CH OH A) phenol and ketone B) carboxylic acid and phenol C) carboxylic acid and benzene ring Н3С. CH2 D) alcohol, ketone and benzene ring CH CH3 Which of the following molecules is aromatic? A B OH NH2 A) A OH B) B C) C NH2 DD What is the classification of the side chain R group in the amino acid shown here? + ཡ་ས་ཡ H2N-CH-C-0 A) acidic CH2 B) basic...
21. Which of the following is NOT a m-directing substituent when present on the benzene ring (a)-NHCOCH3 (b) –NO2 (c) –N(CH3)3+ (d)-CN 23. The relationship of propanone and propen-2-ol is called (a) tautomers (b) conformational isomers (c)distereomers (d)resonance structures 24. Which reagent can be used to distinguish an aldehyde and a ketone? (a) Br2/CCl4 (b) KMnO4/OH- (c) Ag2O/NH4OH (d)None of these 25. The proper name for the molecule below is: (a) 2-chloro-5-aldehydotoluene (b) 6—chloro-3-aldehydotoluene (c) 3-methyl-4-chloro-benzaldehyde (d) 4-chloro-3-methylbenzaldehyde
Predict the effect the substituent attached to the benzene ring below would have on electrophilic aromatic substitution reactions? CH, CH3 a) meta director, deactivator b) ortho/para director, activator c) meta director, activator d) ortho/para director, deactivator
Aniline contains which functional group attached to the benzene ring? -Methyl -Nitro -Amino -Ester
Chap 21.1 Item 12 Name each of the following compounds in which the benzene ring is best treated as a substituent You may want to reference (Pages 1000 - 1002) Section 217 while completing this problem. Part A H.C-CH2-CH-CH-CH-CH, HC Spell out the full name of the compound. 3-phenol 4-methyl hexane Submit Previous Answers Request Answer X Incorrect; Try Again: 3 attempts remaining
1. Write a mechanism for adding the first t-butyl substituent to the ring. include a teo step electrophile formation and its two-step displacement of an H 2. Draw the structures of an alkene and an alcohol that coukd have been used instead of t-butyl alcohol to form 1,4-di-t-butyl-2,5-dimethoxybenzene 3. starting with benzene, an alcohol, an inorganic acids, show how to synthesize TNT o LH C(CH₃)₂ а (сн.). Сон OCH3 OCH3 Octs с (сн.) си, 0043 CH3CH2CCH І биз 1 Он
Name each of the following compounds in which the benzene ring is best treated as a substituent. Pou may want to reference (Pages 1000 - 1002) Section 1.7 while completing this problem. By treating this compound as a hexane with two substituen substituent. Therefore, the name of the compound is 3-met Part B CH ---CH-CH-CH2-C C -CH, Spell out the full name of the compound. 1-phenyl-5-bertyne The triple bond takes priority over substituents. Make certain the trip substituents are designated...