Question 25 (2 points) What is the stereochemistry around carbon 2 and 4 respectively? H.CO H...
Question 1 (2 points) Which one of the following compounds is aromatic? IV O a) 1 Ob) III Oc) IV O d) 11 Question 2 (2 points) Which structure shown below represents (Z)-3,5-dichloro-3- hexen-1-yne? CI IV 11 TIT O a) Ob) III Oc) 11 Od) IV
Question 49 (2 points) Which structure shown below represents (2)-3,5-dichloro-3-hexen-1-yne? cl III CI TV a) Oь) І Oc) IV d) II Question 50 (2 points) A triple bond is composed of a) Three sigma bonds b) Three pi bonds c) One sigma and two pi bonds d) Two sigma and one pi bond Previous Page Page 2
Question 4 Not yet answered Marked out of 3.00 P Flag question What is the IUPAC name of the molecule shown below? CI he Select one: a. E-3-chloro-4-propyl-2-hexen-5-yne o b. E-4-chloro-3-propyl-4-hexen-1-yne c. Z-3-chloro-4-propyl-2-hexen-5-yne O d. Z-4-chloro-3-propyl-4-hexen-1-yne Question 7 Not yet answered Marked out of 3.00 P Flag question Which is the most stable conformation of cis-1,3-dichlorocyclohexane? Select one: a. CI O b. CI Question 9 Not yet answered Marked out of 3.00 P Flag question How many stereoisomers are possible...
Question 31 (2 points) What are the expected major products of the reaction sequence shown below? 1. O 2. H70 OH o OH 11 III IV v Oa) I and IV ob) I and II oc) I, III and IV od) II, III and IV Question 32 (2 points) Which one of the following dienophiles is least reactive in the Diels-Alder reaction? NO, phony HCO 11 IV Oa) III ob) IV Oc) 1 od) 11
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 35 (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? Ha HD Hc Hd Oa) C-Hc Ob) C-Hb Oc) C-Ha O d) C-Hd Question 36 (2 points) Predict the major product(s) of the following reaction. Br2 light Br . Br Br CH2Br. CH2B1 -CH2Br Br IV Br O a) 11 Ob) IV Oc) III Od
Question 17 (2 points) Predict the structure of the major product for the following reaction. CH.CH Zn (Hg) CHCE AICI "NH TV oa) 11 ob) IV oc) III od) Question 18 (2 points) What is the product of the reaction below? POC OH o o od ol OH IV Oa) 111 ob) 11 Oc) IV od)
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 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? oa) CH3CH2CH2NH2 ob) CH3CH2CH2Br OC) CH3CH2CH2C1 od) CH3CH2CH2OH Question 46 (2 points) Predict the major product(s) of the following reaction. Br2 light Ar o Br CHB CH-Br CHUB Br III IV Br Oa) IV Ob) III OC) 11 od) 1
+4 OD) +3 Question 25 (2 points) What is the chemical formula for the following Lewis structure? 1:ローバーバー: CI: :CI: Submit Quiz 23 of 25 questions saved ODS O E) Ar Question 9 (2 points) --------are negatively charged ions that have electrons than protons. OA) Cations; less OB) Cations; more OC) Anions; more OD) Anions; less Question 10 (2 points) Saved The molecule below is a polar molecule. H-C= C-C1 True False