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Part 1 - Relative Properties (14 marks] Arrange the items in each set (three per set)...
short answer help plz! check the ones i answered and help with the ones i didnt!!...
short answer help plz! check the ones i answered and help with the
ones i didnt!!
9. For the following reaction, what will be the effect on the rate if [NaCN) is halved? 11. Which of these Newman Projections shows the preferred conformation for an E2 reaction to occur? NaCN - Br DMSO product / V I (a) The rate doubles / CH3 (b) The rate triples The rate will be halved (d) The rate stays the same (e) There...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following (circle your answer): the strongest base: i c F the strongest acid: CHOH H20 NH3 the worst nucleophile in protic, polar solvents: 1 F the slowest in an SN2 reaction: (CH3)2CHCH2Br CHI CH3CH2CH2Br the best solvent for an Snl reaction: acetone water pentane the worst nucleophile: OH "Сн, NH the strongest base NH H20 F the best nucleophile: OH CH3 NH the best solvent...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway?...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
RELATIVE PROPERTIES: Arrange the items in questions 1-12 in DECREASING ORDER (i.e. largest, most,...
RELATIVE PROPERTIES: Arrange the items in questions 1-12 in DECREASING ORDER (i.e. largest, most, etc. first) with respect to the indicated property. Use the following code to indicate your answers: Use the following code to indicate your answers: A. i>ii > iii 9. Rank the relative boiling points of the following molecules (highest to lowest boiling point) 10. Rank the relative heat of formation of the following (most endothermic to most exothermic): 人 ヘル 11. Rank the charge associated with...
CIC-CH.CH $$ 0,09 ( -CCHCH, K CANON D) IV 2, whicen er falowing the A) B)...
CIC-CH.CH $$ 0,09 ( -CCHCH, K CANON D) IV 2, whicen er falowing the A) B) II CITI 21) Which of the following alkenes is the most stable? or more com B) II D) IV 22) For the following reaction, use the identity of the alkyl halide and nucleophile to determine which substitution mechanism occurs. Then determine which solvent affords the faster reaction. OH + BO • ное но A) SN 2, H20 B DMF ) SN1, H20 SN1, DMF...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
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...
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
F2019-Chem 232-Org II Multiple Selection section (3 pts/ each) 1. Select the product formed from adding...
F2019-Chem 232-Org II Multiple Selection section (3 pts/ each) 1. Select the product formed from adding Lithium aluminum hydride to 6-hydroxy-3-p- cyanophenylheptan-2-one. (3 pts) ОН Oh oh 32 I A. B. C. D. IV E. None 2. Select the correct ranking of base strength for the amines shown (from weakest to strongest), NH2 NH2 1 III IV A. Klll<ll<IV B. IKIIVI C. kli<ll<IV D. IV<ll<llll All are strong because the halogens are electronegative dently the product formed when 3-phenyl-3-oxopropanal is...
short answer help plz! check the ones i answered and help with the
ones i didnt!!
9. For the following reaction, what will be the effect on the rate if [NaCN) is halved? 11. Which of these Newman Projections shows the preferred conformation for an E2 reaction to occur? NaCN - Br DMSO product / V I (a) The rate doubles / CH3 (b) The rate triples The rate will be halved (d) The rate stays the same (e) There...
Chem 2010 Substitution Problem Set Name 1. Choose the appropriate answer for each of the following (circle your answer): the strongest base: i c F the strongest acid: CHOH H20 NH3 the worst nucleophile in protic, polar solvents: 1 F the slowest in an SN2 reaction: (CH3)2CHCH2Br CHI CH3CH2CH2Br the best solvent for an Snl reaction: acetone water pentane the worst nucleophile: OH "Сн, NH the strongest base NH H20 F the best nucleophile: OH CH3 NH the best solvent...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
RELATIVE PROPERTIES: Arrange the items in questions 1-12 in DECREASING ORDER (i.e. largest, most, etc. first) with respect to the indicated property. Use the following code to indicate your answers: Use the following code to indicate your answers: A. i>ii > iii 9. Rank the relative boiling points of the following molecules (highest to lowest boiling point) 10. Rank the relative heat of formation of the following (most endothermic to most exothermic): 人 ヘル 11. Rank the charge associated with...
CIC-CH.CH $$ 0,09 ( -CCHCH, K CANON D) IV 2, whicen er falowing the A) B) II CITI 21) Which of the following alkenes is the most stable? or more com B) II D) IV 22) For the following reaction, use the identity of the alkyl halide and nucleophile to determine which substitution mechanism occurs. Then determine which solvent affords the faster reaction. OH + BO • ное но A) SN 2, H20 B DMF ) SN1, H20 SN1, DMF...
1. (18 points; 3 points each] Multiple Choice: Circle the best answer i. Consider the following reaction: Xooot THF, A If there are no other changes, what is the effect of doubling the concentration of the starting alcohol on the rate of this reaction? a. No change b. Doubles the rate C. Triples the rate d. Quadruples the rate ii. Which nitrogen compound below would react fastest as a nucleophile in an 5, 2 reaction? NH NH N d. "NH2...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
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...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
F2019-Chem 232-Org II Multiple Selection section (3 pts/ each) 1. Select the product formed from adding Lithium aluminum hydride to 6-hydroxy-3-p- cyanophenylheptan-2-one. (3 pts) ОН Oh oh 32 I A. B. C. D. IV E. None 2. Select the correct ranking of base strength for the amines shown (from weakest to strongest), NH2 NH2 1 III IV A. Klll<ll<IV B. IKIIVI C. kli<ll<IV D. IV<ll<llll All are strong because the halogens are electronegative dently the product formed when 3-phenyl-3-oxopropanal is...
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