Question

CHEM 2123/Pre-Lab Study Questions /Exp. #6 Reactivities of Alkyl Halides in Nucleophilic Subs. Reactions Amonda salas Name 1. Classify the following substrates as 1°, 2, 3, aryl, allylic, or benzy lic: CH OCH CHB сна 2. Identify the substrate, nucleophile/base, and the leaving group in the following reactions and indicate the type of reaction (i.e. SN1, SN2, EI, E2) taking place: Br Nal Accionc H.с н.с Нас, CH,OH HEAT сH,он CH-Br Н-о CH CHs CH,CH-ONa HEAT Нс CH3 3. Rank the following alcohols in order of increasing reaction rate (1-slowest, 4-fastest) in an SN1 reaction: Он он но,

Answer 1

DATE chy f 2° alkyl halide Onl) 3° alfyldalich allylic (as double bond is annext Carbon) Aryl as halogen is attached to Bergere or arometu I - — Ссо Benzylic alfy helide I can Br -Ch₂r 3 3 ally thelide ally I alkyl halich or heavily grup allylic t nudeflite Non attade Typ (San N1 acetone mechanism Hg allylic substanti O Carbocation will be Base Cheon 3 substrate Elo mechanis Carbocation would be stuble. uando titlele chon. Co My Bo Jone to mucope Berylic SN1 အ mechanism.

Leaving Group Base DATE DTTI DATE C cr C @ CH₂ CLONA. A Ez mechanism 3 substrate Callylic) +2° Carbocahn) Carboatin) CCoաeo) - C1 Carbocado) fastest Callic +3° Carbocation)