Question 43 (2 points) The reaction of 1,3-butadiene with hydrogen halide at 40°C will undergo addition...
Question 19 (2 points) The reaction of 1,3-butadiene with hydrogen halide at 40°C will undergo addition under control a) 1. 2; thermodynamic b) 1, 2; kinetic O c) 1,4; kinetic d) 1.4: theromodynamic Question 20 (2 points) In the molecule shown below, determine which of the highlighted C-H bonds a tod is expected to have the lowest bond dissociation energy? Ha HE Hс Hd a) C-Ha b) C-Hb DC-HC d) C-Hd Provloun Page
Question 11 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? III TV II a) III Oь) ІV Oc) d) II Question 12 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme (CH), CCH2CH==CH2 HBr H202 (сн.),ccн,сн. -CH2 CAJACCHIOLI (CH, CCH-CH- -CH2 cartuscanyone (CH)CCH_CH CH₂ (CH3),CCHCH IV -Сн, III a) b) c) d) IV
Question 49 (2 points) What is the IUPAC name of the structure below? NOZ OH oa) 3-fluoro-5-iodo-4-nitrophenol ob) m-fluoro-m-iodo-p-nitrophenol Oc) 1-fluoro-2-nitro-3-iodo-5-phenol od) 1-fluoro-3-iodo-5-hydroxynitrobenzene Question 50 (2 points) The reaction of 1,3-butadiene with hydrogen halide at 40°C will undergo - addition under control. oa) 1, 2; thermodynamic ob) 1, 4; theromodynamic Oc) 1, 4; kinetic od) 1, 2; kinetic
Question 41 (2 points) Which of the following carbocations is (are) likely to undergo rearrangement through a methyl shift? H2C CH3 H3C CH3 H3C CH3 III a) both II and III Ob) both I and II Oc) Od) Question 42 (2 points) For the reaction shown, select the expected major organic product. 1. 1 eq HCI 2. 1 eq HBr Br. CI -Br -CI Ha CI Br + enantiomer + enantiomer + enantiomer CI Br + enantiomer IV 11 III...
Question 47 (2 points) Which of the following carbocations is (are) likely to undergo rearrangement through a methyl shift? нус CH HC CH нус CH oa) both II and III ob) oc) 11 od) both I and II Question 48 (2 points) For the reaction shown, select the expected major organic product. 1. 1 e HCI 2 1 e HBO Ho Br + enantiomer + enantiomer + enantiomer + enantiomer IV 11 HI! Oa) 1 ob) 11 Oc) III od)...
Question 19 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br BI Br Br 1 I! II! IV oa) III ob) IV OC) 11 od) 1 Question 20 (2 points) In the molecule shown below, determine which of the highlighted C-H bonds a to d is expected to have the lowest bond dissociation energy? HU Hd Oa) C-Hb ob) C-HC Oc) C-Hd od) C-Ha
Question 15 (2 points) Which of the following substituents will not direct the incoming group to the ortho/para position during electrophilic aromatic substitution? Oa) -CH2CH3 Ob) -OCOCH3 OC) -COOCH3 Od) -N(CH3)2 Question 16 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br Br Br Br IV a) 1 Ob) III OC) IV Od) 11
Question 45 (2 points) For which of the following compounds will the M+2 peak intensity be equal to the intensity of the molecular ion peak M? O a) CH3CH2CH2NH2 Ob) CH3CH2CH2Br Oc) CH3CH2CH2CI d) CH3CH2CH2OH Question 46 (2 points) Saved Predict the major product(s) of the following reaction. Br2 light te: Br Br CH,Br. ICH Br -CH2Br BI III IV Br O a) IV Ob) III Oc) 11 d) 1
Question 3 (2 points) For the reaction shown, select the expected major organic product. 1. 1 eq HCI 2. 1 eq HBO Br -Br Br + enantiomer + enantiomer + enantiomer Br + enantiomer IV II a) 11 Ob) III O c) v Od) I Question 8 (2 points) What is the product of the reaction below? ТОН PCC O OH I II OH III IV a) 1 b) IV O c) III d) I Question 10 (2 points) Predict...
Question 39 (2 points) Predict the product(s) of the following reaction: CO CHE сн. heat COCH CH H3CH CO CH3 1 CO CHE нус н H3CH CH3 со сна COCH 11 CO CH3 CO,CHE нсна HCH H.CH H.CH CO CH3 COCH TIT + "CO,CH COCH3 H CHI HECH нснэ COCH IV COCHE нсн Oa) 1 ob) 111 OC) IV od) 11 Question 40 (2 points) Identify one final major product in the following reaction sequence: CHC! CHNO - AICI CH,SO...