E2 elimination happens with elimination of Cl- and H+ from adjacent carbon . Based on this only one reactanats gives exclusively A . Hence only 1 gives A only
21 Which of the following alkyl chierile afforde alkefe AES lusiveny under E2 im
Which of the following reactions will promote an E2 reaction with an alkyl halide? A water B sodium iodide C ethanol D sodium ethoxide
when an alkyl halide undergoes E2 elimination the halogen and leaving hydrogen must be/have 21. When an alkyl halide undergoes E2 elimination the halogen and leaving hydrogen must be/have A. moni on the same carbon parallel bonds anti-periplanar a low activation energy none of these
21. When an alkyl halide undergoes E2 elimination the halogen and leaving hydrogen must be/have A B. on the same carbon parallel bonds anti-periplanar a low activation energy none of these யே SN2 reactions work best with? polar aprotic solvents tertiary alkyl halides weak nucleophiles polar protic solvents none of these யே
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
Which of the following alkyl bromides would undergo a relatively fast E2-type elimination reaction? Br Br A) B) C) D) Br odov Br A B D
Which of the following alkyl bromides would undergo a relatively fast E2-type elimination reaction? Br Br A) B) C) D) oc "A dd Br Br А с
Draw the major E2 elimination product from the following alkyl halide.
7, (10) Give the alkyl halide which would give only the alkene shown by way of an E2 elimination (one alkyl halide for each alkene):
Which Newman projection represents the reactive conformation when the following alkyl chloride undergoes an E2 reaction to form the Zaitsev product. Ph CH3 CH3 A) ClytyH B) Hyycc) CITYH H3CH PhTH HYPh CH3 CH3 Hc CH3 O Type here to search
Give the major product obtained when each of the following alkyl halides undergoes an E2 reaction: Br Br b. What stereoisomer would be obtained in greater yield when each of the following alkyl halides undergoes an E2 reaction: a. CH,CHCH CH b CH,CHCH-CH CH3Cl ICH2Cl 12CH3 c. Br Cl CI