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Moving to dll Choose the correct answer for the metal directing substitutent on the benzene ring...
5. Which of the following is not a meta-directing substituent when presenbt on the benzene ring?...
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
21. Which of the following is NOT a m-directing substituent when present on the benzene ring...
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
Choose the incorrect statement Aniline undergoes Friedel-Crafts reactions. OA B. Using (1) HCI, H20, heat and...
Choose the incorrect statement Aniline undergoes Friedel-Crafts reactions. OA B. Using (1) HCI, H20, heat and (2) HO-to remove (deprotect) the acetyl group back to amino group, The amino group on aniline can be protected by acetylation step. Halogenation of benzene with a strong activating substitutent does not require FeBrz. D. Friedel-Crafts acylations will not occur if there is a meta-director already on the benzene ring. E. 000 30 М.
Choose correct reagent(s) for the conversion below: Benzene to Aniline NH3 A. a) HNO3 7 H2504...
Choose correct reagent(s) for the conversion below: Benzene to Aniline NH3 A. a) HNO3 7 H2504 B. b) Sn/HCI a) NH2 / HO, H20 OC. b) HCI D.NH2/0H a) NO 2, OH E. b) HCI 30 d
Please choose the correct answer with brief explanation Please choose the correct answer with brief explanation...
Please choose the correct answer with brief
explanation
Please choose the correct answer with brief
explanation
12-16 Complete the following reaction scheme by choosing the correct product from those given 12. NaCr;07/H2SO4/H30 excess H он .OH 0 A B C D E
Questions Choose the major product(s) of the following reaction. Nace ? i is ha ha Al...
Questions Choose the major product(s) of the following reaction. Nace ? i is ha ha Al only B. only C only D. only E 1&1 F. &IV Enter Your Answer: OA OB OC OD DE OF Predict and draw the major product of the following reaction. Question Create OscerSketch Answers Select the major product of the following reaction. CHCHO CH.CH OH کرکے کرکے کر کے کلک کر کے Enter Your Answer: OA OB OC OD OE Question The following two...
please answer ALL questions below 31 32 33 Question 31 (3 points) Predict the product: oo...
please answer ALL questions below
31
32
33
Question 31 (3 points) Predict the product: oo CH3NH2 aves ? 0 L CH3 0 NCH 0 H2CHNO CH 0 Question 32 (3 points) What is the major organic product obtained from the following reaction? لر 1. NaOCH2CH3 CH3CH2OH CH3CH20 OCH2CH3 3. H50+ EtO2C CO2Et EtO2 CO2Et HO EtO2C CO2Et EtO2 CO2Et O EtO2C CO2Et EtO2 CO2Et Question 33 (25 points) For each of the following reactions, choose the correct reagents from...
answer plz ;) ! oxidation of carbon-carbon triple bond is slower than that of carbon carbon...
answer plz ;) !
oxidation of carbon-carbon triple bond is slower than that of carbon carbon double bond. Select one: O True False Which one is the correct order of acidity CEN CI CH3 A) B) D) Select one: a. A B C D Ob.c-D AB OC.DC AB O d. B-CAD Select the correct order of electron density to the benzene ring. OH F CI A) B) C) Select one: O a. B >> A O b. A-B-C O c....
Choose the correct answer: 1 TJ 10 a. 1. PhMall, ether 2 thot b. 1. PCH...
Choose the correct answer: 1 TJ 10 a. 1. PhMall, ether 2 thot b. 1. PCH MgBr.ether 2. H30 C. CHP-CHCHS. THE d. Li Hsu, ether CH, OH 1. NaBethanol b. CHPPh e NOI 110 d. All of the above 3) What reagents can be used to convert l-hexyne into 2-hexanone! A) 1. Sia2BH: 2. H2O2, NaOH B) Hg2+, H2SO4, H2O C) 1. 03:2.(CH3)2S D) I. CH3MgBr. 2. CO2 E) 1.H2. Ni: 2. Na2Cr207, H2SO4 4) Oxidation of a 2...
1) Choose the correct structures for X and Y. 2) The following aldol reaction can produce...
1) Choose the correct structures for X and
Y.
2) The following aldol reaction can produce 4 products. Select
the structure that is not a possible product of the following
reaction.
3) Choose the major compounds present after the following ketone
is treated with dilute aqueous base.
4) Draw the alkyl bromide(s) that is(are) needed to prepare the
following ketone using the acetoacetic ester synthesis.
O Br LDA TMS-CI CH3-Li Br Х Y -78 °C NEt3 1 2 3 A....
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
Choose the incorrect statement Aniline undergoes Friedel-Crafts reactions. OA B. Using (1) HCI, H20, heat and (2) HO-to remove (deprotect) the acetyl group back to amino group, The amino group on aniline can be protected by acetylation step. Halogenation of benzene with a strong activating substitutent does not require FeBrz. D. Friedel-Crafts acylations will not occur if there is a meta-director already on the benzene ring. E. 000 30 М.
Choose correct reagent(s) for the conversion below: Benzene to Aniline NH3 A. a) HNO3 7 H2504 B. b) Sn/HCI a) NH2 / HO, H20 OC. b) HCI D.NH2/0H a) NO 2, OH E. b) HCI 30 d
Please choose the correct answer with brief
explanation
Please choose the correct answer with brief
explanation
12-16 Complete the following reaction scheme by choosing the correct product from those given 12. NaCr;07/H2SO4/H30 excess H он .OH 0 A B C D E
Questions Choose the major product(s) of the following reaction. Nace ? i is ha ha Al only B. only C only D. only E 1&1 F. &IV Enter Your Answer: OA OB OC OD DE OF Predict and draw the major product of the following reaction. Question Create OscerSketch Answers Select the major product of the following reaction. CHCHO CH.CH OH کرکے کرکے کر کے کلک کر کے Enter Your Answer: OA OB OC OD OE Question The following two...
please answer ALL questions below
31
32
33
Question 31 (3 points) Predict the product: oo CH3NH2 aves ? 0 L CH3 0 NCH 0 H2CHNO CH 0 Question 32 (3 points) What is the major organic product obtained from the following reaction? لر 1. NaOCH2CH3 CH3CH2OH CH3CH20 OCH2CH3 3. H50+ EtO2C CO2Et EtO2 CO2Et HO EtO2C CO2Et EtO2 CO2Et O EtO2C CO2Et EtO2 CO2Et Question 33 (25 points) For each of the following reactions, choose the correct reagents from...
answer plz ;) !
oxidation of carbon-carbon triple bond is slower than that of carbon carbon double bond. Select one: O True False Which one is the correct order of acidity CEN CI CH3 A) B) D) Select one: a. A B C D Ob.c-D AB OC.DC AB O d. B-CAD Select the correct order of electron density to the benzene ring. OH F CI A) B) C) Select one: O a. B >> A O b. A-B-C O c....
Choose the correct answer: 1 TJ 10 a. 1. PhMall, ether 2 thot b. 1. PCH MgBr.ether 2. H30 C. CHP-CHCHS. THE d. Li Hsu, ether CH, OH 1. NaBethanol b. CHPPh e NOI 110 d. All of the above 3) What reagents can be used to convert l-hexyne into 2-hexanone! A) 1. Sia2BH: 2. H2O2, NaOH B) Hg2+, H2SO4, H2O C) 1. 03:2.(CH3)2S D) I. CH3MgBr. 2. CO2 E) 1.H2. Ni: 2. Na2Cr207, H2SO4 4) Oxidation of a 2...
1) Choose the correct structures for X and
Y.
2) The following aldol reaction can produce 4 products. Select
the structure that is not a possible product of the following
reaction.
3) Choose the major compounds present after the following ketone
is treated with dilute aqueous base.
4) Draw the alkyl bromide(s) that is(are) needed to prepare the
following ketone using the acetoacetic ester synthesis.
O Br LDA TMS-CI CH3-Li Br Х Y -78 °C NEt3 1 2 3 A....
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