After rearrangement stability of carbocation increase.
Question 47 (2 points) Which of the following carbocations is (are) likely to undergo rearrangement through...
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 9 (2 points) Which of the following carbocations is (are) likely to undergo rearrangement through a methyl shift? HC CH HC CH H₃C. CH INI a) both I and II b) both II and III OI d) 1 Question 10 (2 points) Choose a major product for the reaction below 0 Cl/AICI OCH, CI OCH OCH OCH a) I, II and Ill b) d)
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 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 48 (2 points) For the reaction shown, select the expected major organic product 1. 1 eq HCI 2. 1 eqHBE to go to Br + enantiomer + enantiomer + enantiomer III + enantiomer IV Oa) Ob) 11 Oc) III Od) IV
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III
Question 21 (2 points) Which of the following dienes can undergo the Diels-Alder reaction? III IV Oa) III ob) 11 Oc) od) IV Question 22 (2 points) Predict the product(s) of the following reaction. нег ROOR Oa) HBr addition at the alkene position following Markonikov's rule Ob) HBr addition at the alkene position following Anti-Markonikov's rule Oc) H20 addition at the alkene position following Anti-Markonikov's rule od) H20 addition at the alkene position following Markonikov's rule
Question 15 (2 points) Which of the following are possible products of the reaction shown? hv NBS Br Br IV Oa) I, II and III ob) I and II Oc) I, II, III and IV od) 1, III and IV Question 16 (2 points) Guess the structure of the compound using your understanding of chemical shifts. 2H PP انه IV oa) III ob) 1 oc) IV od) 11
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...
Question 26 (2 points) Saved Which of the following ions is aromatic? D:0 = I II IV OA) OB) 11 OC) III OD) IV Question 27 (2 points) Saved Which of the following ions is aromatic? 20: A) Only II and III OB) Only III and IV OC) Only I and II OD) Only II and IV