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Explain : I. Dehydrohalogenation of |
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Answer» Solution :` (##KSV_CHM_ORG_P2_C15_S01_011_S01.png" width="80%"> II. ` overset (Delta) (rarr) 3% ` (cis and transs ) ` + ( 97 %)` ` E2` elimination of an alkyl halide with base `(EtO^(Θ))` gives mainly the Saytzeff alkene (i.e., more-substityted alkence ). whereas `4^(@)` AMONIUM salt undergoes Hofmann elimination to give less-substituted alkene, resulting from a loss of more ACIDIC `beta-H (1^(@) gt 2^(@) gt 3^(@))` called Hofmann's RULE. Thus, the ACIDITY of `beta-H` is more important than the stability of the alkene that is formed. |
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