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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

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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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