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UNIT Exam I The following compound is CA Aromatic CB) Anti-a romatic (C) Non-aromatic (D) None...
30) Which of the following is the most stable diene? L. IV. A)I B) C)III D)IV...
30) Which of the following is the most stable diene? L. IV. A)I B) C)III D)IV E) V 31) Which of the following is an aromatic hydrocarbon? IV -CH A)I B C)ID)IVE) V 32) Which of the following conjugated dienes will not react with a dieneophile in a Diels-Alder reaction? Π. IV A) I B)11 C)111 D) IVE) I and III 33) The conjugate acid of the compound shown below is B) aromatic D) antiaromatic. E) none of the above....
the following compound i ontributor of the following 5 Which is the correct resonance conth compound?...
the following compound i
ontributor of the following 5 Which is the correct resonance conth compound? D) None of the Above соон Which is the strongest acid? А) сносн,он NO, B) CH. COOH c) CI-CH.COOH E) Both C and D @ which is the product of 1,4- addition of the following reaction? CH=CH-CH=CH, HBr , ? A) CH₃-CH-CH=CH2 () CH₃ -CH=CH-CHBr. B) CH. Br-CH-CH=CH D) All of the Above which is the major product of the following reaction? E) No...
5 tributor of the following Which is the correct resonance cont compound? D) None of the...
5 tributor of the following Which is the correct resonance cont compound? D) None of the Above D y cooh Which is the strongest acid? А) сносн,он NO, B) CH.COOH c) CI-CH.COOH E) Both C and D @ which is the product of 1,4- addition of the following reaction? CH=CH-CH=CH, HBr , ? A) CH₃-CH-CH=CH2 () CH₃ -CH=CH-CH₂Br. B) CH₂ Br-CH₂-CH=CH₂ D) All of the Above © which is the major product of the following more Bay E) No Reaction...
Which compound(s)/ion(s) on the attached list is/are anti-aromatic c. D E.
Which compound(s)/ion(s) on the attached list is/are anti-aromatic c. D E.
Use the following list of compounds to answer the following questions Select the compound that is...
Use the following list of compounds to answer the following questions Select the compound that is best described as: (a) A neutral system, 4x electrons, anti-aromatic (b) A 6 electron aromatic system. (C) An aromatic system because n = 2 in Huckel's rule 4n+2 (d) A 6 electron conjugate non-aromatic system (e) An unconjugated hydrocarbon. (1) Not aromatic as it is drawn, but if removed, it would aromatic cation (6) Not aromatic as it is drawn, but it has a...
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown...
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown below as either: a) Activating, ortho, para director b) Deactivating, ortho para director, c) Activating, meta director, d) Deactivating, meta director. CH -ОН -N-CH3 CH3 7. Answer a-c for compounds A-F below dos a. (5 pts) Which compound(s) have an aromatic carbocation intermediate if it underwent an Snl or E1 reaction? b. (5 pts) Which compound(s) would have an anti-aromatic carbocation intermediate if it...
2. For the following circuit: emitter follower onguration i.e. CE, or CC, or CB, or CS...
2. For the following circuit: emitter follower onguration i.e. CE, or CC, or CB, or CS or, or CG, or CD, or b. Calculate ly, Lc. IB, VEs and VI. c. Based or none of the above, and the correct answer is on calculations in part (b). the transistor is in active or saturation of or triode region, explain supporting with above ca Calculate the input resistance Rin looking into base, and output resistance n looking into emitter e. Calculate...
The compound below is an H2C CH-CH3 Select one: a. alkyne b. alkene c. alkane d. aromatic compound e. olefin
The compound below is an H2C CH-CH3 Select one: a. alkyne b. alkene c. alkane d. aromatic compound e. olefin
on T. Maitiple choiee. Select the best anaver. (0.5 points each) i. Which statement below is...
on T. Maitiple choiee. Select the best anaver. (0.5 points each) i. Which statement below is true the aromatic substitution involving the bromina of benzene? znBry acts as the Lewis acid B) Feßr, acts as the Lewis base c) Br, acts as nugaed aromatic ring D) n-electrons of benzene act as the electrophile E) FeBr, acta as the Lewis acid. a what is rue about the rate and the najor predust of nitration of the methoxybenzene? A) Proceeds more rapidly...
Question 5 Which of the following compounds is not aromatic? A. B. C. D. A. A...
Question 5 Which of the following compounds is not aromatic? A. B. C. D. A. A СВ. В с С. С D.D Question 6 In terms of resonance stabilization, which one of the following statements is not true? نہ ہو (A) CH3 0 is more stable than CH3CH20- (8) cnydanlar cusiowi (B) CH3CCHÖCHz is more stable than CH CCHCHC 0 cionari (C) CH.CH,CHECHz is more stable than CH3CHCH_CCHz NH2 NH H,CANH (D) CH3CHNH2 is more stable than CHCNH2 (E) N...
30) Which of the following is the most stable diene? L. IV. A)I B) C)III D)IV E) V 31) Which of the following is an aromatic hydrocarbon? IV -CH A)I B C)ID)IVE) V 32) Which of the following conjugated dienes will not react with a dieneophile in a Diels-Alder reaction? Π. IV A) I B)11 C)111 D) IVE) I and III 33) The conjugate acid of the compound shown below is B) aromatic D) antiaromatic. E) none of the above....
the following compound i
ontributor of the following 5 Which is the correct resonance conth compound? D) None of the Above соон Which is the strongest acid? А) сносн,он NO, B) CH. COOH c) CI-CH.COOH E) Both C and D @ which is the product of 1,4- addition of the following reaction? CH=CH-CH=CH, HBr , ? A) CH₃-CH-CH=CH2 () CH₃ -CH=CH-CHBr. B) CH. Br-CH-CH=CH D) All of the Above which is the major product of the following reaction? E) No...
5 tributor of the following Which is the correct resonance cont compound? D) None of the Above D y cooh Which is the strongest acid? А) сносн,он NO, B) CH.COOH c) CI-CH.COOH E) Both C and D @ which is the product of 1,4- addition of the following reaction? CH=CH-CH=CH, HBr , ? A) CH₃-CH-CH=CH2 () CH₃ -CH=CH-CH₂Br. B) CH₂ Br-CH₂-CH=CH₂ D) All of the Above © which is the major product of the following more Bay E) No Reaction...
Which compound(s)/ion(s) on the attached list is/are anti-aromatic c. D E.
Use the following list of compounds to answer the following questions Select the compound that is best described as: (a) A neutral system, 4x electrons, anti-aromatic (b) A 6 electron aromatic system. (C) An aromatic system because n = 2 in Huckel's rule 4n+2 (d) A 6 electron conjugate non-aromatic system (e) An unconjugated hydrocarbon. (1) Not aromatic as it is drawn, but if removed, it would aromatic cation (6) Not aromatic as it is drawn, but it has a...
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown below as either: a) Activating, ortho, para director b) Deactivating, ortho para director, c) Activating, meta director, d) Deactivating, meta director. CH -ОН -N-CH3 CH3 7. Answer a-c for compounds A-F below dos a. (5 pts) Which compound(s) have an aromatic carbocation intermediate if it underwent an Snl or E1 reaction? b. (5 pts) Which compound(s) would have an anti-aromatic carbocation intermediate if it...
2. For the following circuit: emitter follower onguration i.e. CE, or CC, or CB, or CS or, or CG, or CD, or b. Calculate ly, Lc. IB, VEs and VI. c. Based or none of the above, and the correct answer is on calculations in part (b). the transistor is in active or saturation of or triode region, explain supporting with above ca Calculate the input resistance Rin looking into base, and output resistance n looking into emitter e. Calculate...
The compound below is an H2C CH-CH3 Select one: a. alkyne b. alkene c. alkane d. aromatic compound e. olefin
on T. Maitiple choiee. Select the best anaver. (0.5 points each) i. Which statement below is true the aromatic substitution involving the bromina of benzene? znBry acts as the Lewis acid B) Feßr, acts as the Lewis base c) Br, acts as nugaed aromatic ring D) n-electrons of benzene act as the electrophile E) FeBr, acta as the Lewis acid. a what is rue about the rate and the najor predust of nitration of the methoxybenzene? A) Proceeds more rapidly...
Question 5 Which of the following compounds is not aromatic? A. B. C. D. A. A СВ. В с С. С D.D Question 6 In terms of resonance stabilization, which one of the following statements is not true? نہ ہو (A) CH3 0 is more stable than CH3CH20- (8) cnydanlar cusiowi (B) CH3CCHÖCHz is more stable than CH CCHCHC 0 cionari (C) CH.CH,CHECHz is more stable than CH3CHCH_CCHz NH2 NH H,CANH (D) CH3CHNH2 is more stable than CHCNH2 (E) N...
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