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6) Which one has the weakest conjugate base? a) CH;CH;OH b) HCECH c) NH3 d) HCI e) H;0

6) Which one has the weakest conjugate base? a) CH;CH;OH b) HCECH c) NH3 d) HCI e) H;0

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter15: Acids And Bases
Section: Chapter Questions
Problem 15.115QP: Ethanol (ethyl alcohol), CH3CH2OH, can act as a BrnstedLowry acid. Write the chemical equation for...
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*Given the following information, answer the questions 6 and 7 Acid NH3 HC=CH pKa Acid pKa CH;CH:OH 38 16.0 25 15.7 HCL -7 6) Which one has the weakest conjugate base? a) CH;CH2OH b) HCECH c) NH3 d) HCI e) H20 7) Which of the following reactions takes place to a significant extent? NH3 + HC=C NH2 + HCECH II OH + CH;CH2OH- H,0 +CH3CH20 OH + HC=CH H2O + HCEC III Cr + H,0 HCI+ OH IV a) II and III b) I only c) IV only d) I and IV e) III only 8) What is the correct Cahn-Ingold-Prelog rankings to the following sets of substituents? a) -CH(CH3)2>- C(CH3)3> - CH-CH2>- CH;CH3 b) -CH=CH2 > - CH(CH3)2 > - C(CH;)3 > - CH2CH3 c) -CH=CH2 > - CH(CH3)2 > - CH2CH3>- C(CH3)3 d) -C(CH3);> - CH(CH3)2>- CH=CH2 > - CH2CH3 e) -C(CH3);>- CH=CH2 > - CH(CH3)2 >, - CH2CH3 9) The correct statement about diastereomers is; a) They are non-mirror image stereoisomers b) They have identical physical properties c) They have plane of symmetry d) They are constitutional isomers. e) They are interconvertable by rotation around sigma bond 10) The compound with R configuration is; NH2 CH3 CI CH2OH H. CHS CH CH2Br HO CH, NH2 CO,H Hln Hl CN HO. Br HS a
Transcribed Image Text:*Given the following information, answer the questions 6 and 7 Acid NH3 HC=CH pKa Acid pKa CH;CH:OH 38 16.0 25 15.7 HCL -7 6) Which one has the weakest conjugate base? a) CH;CH2OH b) HCECH c) NH3 d) HCI e) H20 7) Which of the following reactions takes place to a significant extent? NH3 + HC=C NH2 + HCECH II OH + CH;CH2OH- H,0 +CH3CH20 OH + HC=CH H2O + HCEC III Cr + H,0 HCI+ OH IV a) II and III b) I only c) IV only d) I and IV e) III only 8) What is the correct Cahn-Ingold-Prelog rankings to the following sets of substituents? a) -CH(CH3)2>- C(CH3)3> - CH-CH2>- CH;CH3 b) -CH=CH2 > - CH(CH3)2 > - C(CH;)3 > - CH2CH3 c) -CH=CH2 > - CH(CH3)2 > - CH2CH3>- C(CH3)3 d) -C(CH3);> - CH(CH3)2>- CH=CH2 > - CH2CH3 e) -C(CH3);>- CH=CH2 > - CH(CH3)2 >, - CH2CH3 9) The correct statement about diastereomers is; a) They are non-mirror image stereoisomers b) They have identical physical properties c) They have plane of symmetry d) They are constitutional isomers. e) They are interconvertable by rotation around sigma bond 10) The compound with R configuration is; NH2 CH3 CI CH2OH H. CHS CH CH2Br HO CH, NH2 CO,H Hln Hl CN HO. Br HS a
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