Homework Answers
Answer C. c
3 degree carbocation are most stable.
Carbocation is stabilized by hyperconjugation.
In 3 degree carbocation there is more number of alpha hydrogen. Hence, it is stable.
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What type of rearrangement is the most favorable with the following carbocation? CH; OC-C- H H.C...
40) Circle the following conformers with the highest energy CH H.C CH H н.с H CHO...
40) Circle the following conformers with the highest energy CH H.C CH H н.с H CHO CHy -H -CH н.с HI 41) Circle the following with the lowest energy conformer of 2,3-dimethybutane CH CH, HC HC. сH CH H HC HC нс CHy CH HC MC CHy 42) Circle the following with the most stable conformation of cis-1-ethyl-3 isopropylcyclohexane? IV Using<, rank the following alkanes in order of increasing boiling point 43)
40) Circle the following conformers with the highest...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
please help with question 5 part b and show work. thank you!! Draw the curved arrows...
please help with question 5 part b and show work. thank
you!!
Draw the curved arrows that accomplish the following transformation: CH HC нс H -CH₂ H-O CH H H.C Closs of a leaving group) Question 5: Predict whether the following carbocation will rearrange, and if so, draw the curved arrow showing the carbocation rearrangement: a) I C-CH₂ сн. I I No rearrangement blc it is already I cancration, which is more stable than I carbocation, b) CH3 CH, CH...
Choose the most stable carbocation. CH3 CH3CH2 CH3-C-H Chong Cho CH
Choose the most stable carbocation. CH3 CH3CH2 CH3-C-H Chong Cho CH
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following...
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The reaction rate will decrease. Give the...
PLEASE HELP WITH THESE. THANK YOU How are the following two compounds related? CH CH3 HO...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
5) Which of the following is the most stable carbocation (circle one)? CН C—CH, IV I....
5) Which of the following is the most stable carbocation (circle one)? CН C—CH, IV I. CH—С-СH СHз CHCH-8 П. CH3 -СH -CH3 V. CHз—C Ш. 6) Which of the following is the most stable diene (circlde one)? IV I. V. П. Ш.
1. Give IUPAC names for the following compounds: O H.C =CH-C-NH2 H,00 H.CO 2. Draw structures...
1. Give IUPAC names for the following compounds: O H.C =CH-C-NH2 H,00 H.CO 2. Draw structures corresponding to each of the given names. Ethyl 4-aminobenzoate acetic formic anhydride 3. What is the order of decreasing reactivity towards nucleophilic acyl substitution for the carboxylic acid derivatives? (most reactive first) H,C-4-0--CHHC-2-N(CH) Hc--OCH, (CH),CH----OCH,
What major Organic product is formed after the following sequence of reactions? 1) NaH, THF 2)...
What major Organic product is formed after the following sequence of reactions? 1) NaH, THF 2) Br Br B1 (C) (b) Br Bi a. a Considering both regiochemistry and stereochemistry, what is the major Organic product of the following reaction? о ні. CH-CH, НСІ Снон HC "CH; но CH, НО CH, HCO CH-CH; CH «CH-CH, OCH; CH CH3 ОН нс СІ H; Н;С (6) (c) H.CO CH, Kotic CH.CH НО CH; Но CH.CH Сн, НП). CH,CH; ОН нс Н.С осн;...
6. Which of the following carbocations would NOT be likely to undergo rearrangement? A) CH3CHCHCH3 CH3...
6. Which of the following carbocations would NOT be likely to undergo rearrangement? A) CH3CHCHCH3 CH3 CH3 B) CH3CHOCH3 CH3 CH C) CH3CCH2 CH3 D) CH3 CH3CHCH2 E) CH3 CH3CCHCH2CH3 CH3 7. Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4? A) CH3 CH3CCH2 CH3 он CH3 B) CH3CHCHCH3 он CH3 C) CH3CHCH2CH2OH CH3 D) HOCH2 CHCH2CH3 E) CH2 OH CH3CHCH2CH3 Page 4
40) Circle the following conformers with the highest energy CH H.C CH H н.с H CHO CHy -H -CH н.с HI 41) Circle the following with the lowest energy conformer of 2,3-dimethybutane CH CH, HC HC. сH CH H HC HC нс CHy CH HC MC CHy 42) Circle the following with the most stable conformation of cis-1-ethyl-3 isopropylcyclohexane? IV Using<, rank the following alkanes in order of increasing boiling point 43)
40) Circle the following conformers with the highest...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
please help with question 5 part b and show work. thank
you!!
Draw the curved arrows that accomplish the following transformation: CH HC нс H -CH₂ H-O CH H H.C Closs of a leaving group) Question 5: Predict whether the following carbocation will rearrange, and if so, draw the curved arrow showing the carbocation rearrangement: a) I C-CH₂ сн. I I No rearrangement blc it is already I cancration, which is more stable than I carbocation, b) CH3 CH, CH...
Choose the most stable carbocation. CH3 CH3CH2 CH3-C-H Chong Cho CH
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The reaction rate will decrease. Give the...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
5) Which of the following is the most stable carbocation (circle one)? CН C—CH, IV I. CH—С-СH СHз CHCH-8 П. CH3 -СH -CH3 V. CHз—C Ш. 6) Which of the following is the most stable diene (circlde one)? IV I. V. П. Ш.
1. Give IUPAC names for the following compounds: O H.C =CH-C-NH2 H,00 H.CO 2. Draw structures corresponding to each of the given names. Ethyl 4-aminobenzoate acetic formic anhydride 3. What is the order of decreasing reactivity towards nucleophilic acyl substitution for the carboxylic acid derivatives? (most reactive first) H,C-4-0--CHHC-2-N(CH) Hc--OCH, (CH),CH----OCH,
What major Organic product is formed after the following sequence of reactions? 1) NaH, THF 2) Br Br B1 (C) (b) Br Bi a. a Considering both regiochemistry and stereochemistry, what is the major Organic product of the following reaction? о ні. CH-CH, НСІ Снон HC "CH; но CH, НО CH, HCO CH-CH; CH «CH-CH, OCH; CH CH3 ОН нс СІ H; Н;С (6) (c) H.CO CH, Kotic CH.CH НО CH; Но CH.CH Сн, НП). CH,CH; ОН нс Н.С осн;...
6. Which of the following carbocations would NOT be likely to undergo rearrangement? A) CH3CHCHCH3 CH3 CH3 B) CH3CHOCH3 CH3 CH C) CH3CCH2 CH3 D) CH3 CH3CHCH2 E) CH3 CH3CCHCH2CH3 CH3 7. Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4? A) CH3 CH3CCH2 CH3 он CH3 B) CH3CHCHCH3 он CH3 C) CH3CHCH2CH2OH CH3 D) HOCH2 CHCH2CH3 E) CH2 OH CH3CHCH2CH3 Page 4
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