Question

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Which of the following reactions would produce isopropylbenzene as the major product? ОН AICI: H2SO4 H2SO4 AICI3 IV I all of these

Answer 1

1 Which of the following deactions would paoduce isopropylbenzene as the major product ? OH Ale! ( yo 4100) cena nova eta el primer d e HD , - -Ald's Laurentidele [ 4103 (10 carbocation > stability of 20 cgabocation is more less stable than the 1° caobocation Hence all L. Reteo-anged Of these geaction gives isopropylbenzene Lo as the major product (20 carbocation) stable ) 0.2 593H Fuming H2504 Above deaction is the Suiphonation Jeaction Option CU is correct. 0.3 CIT Aldo (111) → Above reaction is a friedal-coaft aculation deaction itis electrophilic aromatic Substitution deaction mechanism: پیام به شرح - احمد - وهم العمل Tont onsell Of H

0.4 Which of the following compounds will not undergo nucleophilic aromatic substitution ? 디 Ba NO2 Ivo NO2 (1-chloro-2,4 nitrobenzene) NO2 (p.chloro...) (o-chioro (m-chidonitrobenzen (1-bromo-4- nitrobenzene, nitrobenzene). → an nucleophilic aromatic Substitution reaction the leaving group Chalides ,CI, B2,1F1 is ortho and pada POSTIONS OF anion stabilizing quoup (electron coith dacoing NO),an m-chlodonita obenzene the leaving group is at meta position has no effect of-NOL group E does not under90 nucleophilic aromatic Substi46 os E Alca, a 4103, at nye HNO3/H.S04 se CFC Acylation) (nitzation) Voz → Option (B) is correct. > If we corried nitration Step(z) (Reductida,zn (H9), HC/ -Nogroup is strongly deactivating il poevent the attack of another SIT electrophilic group. but if we cazzied out F.c.aculation Step (1) the acyl group is 'modezaately deactivator il may undergoes another electrophilic substitution deaction <H₃ CH₂-ci AlCl₃ 0

* Nitro Substituted aing is deactivated so it does not undergoes deaction Reaction Occurs at another zing and at para position due to stezic season. Ring deactivated due to-le-group. 0.8 both -CH₂ CH3 and -o OEh -CH CH3 and - Ocha qoup 90 colp directoas. (Electron donating group.gre op directoros) (Electron with dogwing group que meta directors) 09 Formation of a Sigma complex is slow step on RDS in Reaction becauscithis step aromaticity in Of benzend zing gets dis Luabed 0.10 =lectron donating Group increases theo 3 election coith doacoing gooup decreases the gate of electrophilic aromatic substitution de action OH ED (1) (11) (IZI) (IV) (v a cewa) EDG (EWG) CEWG) ho . (EDG) CELIG Corp directors) = Cadey of Reactivity IV>1>111 > V7 37 +R +1 (+R,-1)-R effect effect -I -R