Question

Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0 ?? CH CC1; a. Cl2, NaOH b. PC13 Ос. HCI, А d. NaCl, H20 e. Cl2, AcOH Of. Cl2

Answer 1

Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0 ?? CH CC1z a. Cl2, NaOH b. PC13 this is example of Haloform reaction. Ос. HCI, А d. NaCl, H20 e. Cl2, AcOH Of. Cl2

Question 11 Which attacking species shown below would be the best choice to enforce an E2 pathway over an Sp2 pathway for the reaction below? Attacking Species? Br H CH t-Butoxide will exclusively give SN2. CH3MBI HCO Hşc-_- CH, H (b) NH OH (a) e SH ( a. a b.b Ice ee ff

When Cl2 adds to cyclopentene, which product(s) is(are) observed? Cl2 C1 ci СІ H A11C1 O 11H H o H СІ H 11C1 ci "Η ci WH H II III a. I and II b. I and III trans addition of C12. c. I and IV d. II and III e. II and IV f. III and IV g. All are formed.

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product or the onowing sequence of reactions? OH ОН H يسا Br (c) a) 1) 2 equiv KOH, MOHA 2) HgSOH,SOH,0 Bs OH OCH; (d) 1. reaction will give terminal alkyne b. barn Occ d.d 2. in 2nd step H20 adds across triple, which gives ketonw after enolization. O e.e 1.1