University:
Shippensburg University of Pennsylvania
Course:
CHM 121 | Chemical Bonding
Academic year:

2022
Views:

24

Pages:

5
Author:

GrabCapacity

Reactivity of SE Reac" based on Complex (Wheland intermediate) More stable the more ereadily form be the SE reaction most stable because - complex during SE reac and more reactive will The the complex stabilised by - complex (II) will be charge of electron donat '' so, mare quickly form in the ofach... Consegnently 0 P more reactive. These gecoups are directing least reactive electron attracting The because complex the group become and more Vineercase the charge make it less stable difficultly form ar the reaction. having no which is sind and less reactive more welll be - complex (I) of benzenme is taken more stable than. stable than (Ⅱ). The compounds sus reference but less mors reactive than Benzene (O'Xp directing called athating compound while less reactive than benzene called de activating Halogen benzene bedome but de-activating the overall m sompounds (m-directi o & p directing however, will be made directing compounds. po, decreasing Hactivity of Benzenoid compounds cam order "The geven as be Rate of Reaction based on stabilit of - Complexes The rate of reaction and justification of the positions op ar m mono substituted during benzene. second suby In toluene the intermediate highly stable than their other 0- scttached with because perevide overall extra stability stability further reach. I and II are c+ complexes directly These t During m-subs there is no -complex havitha charge like in I and II comples Buovide and down't provide the stability reach become negligible. Therefore become outro para directing niet meta doueting so ferit Palune like toluene aniline is due to same in aniline also reason as in O-p directing toluene but one of the cation intumeliak (I (a)) and (II (a)] are specially extra stable because in there intermediates atoms have complete octate Ⅱ (a) intermediaty ane all the Thele Ilg and highly stable and highly -late petentiate that more xadiuve the reac". It clearly endi aniline become than toluene highly activesting. Nitrobenzene become geroup is Brodiced m-directing becaux - NP2 attracting and the electron attracting highly & electron subs the structure (I) and (Ⅱ) are highly unstable due to the presence of electront attrasting No group Cattorched directly so, there structures beroduce de-stability while m-subs there is no such during townsell stricture m- directing!