Question

Question 43 Which of the pmarka owing the most active carbowe ] Q on 46 What the product of the great 10 bundy bromide C met utyl ether 99 D 2-bentanone о не ост E. All of them have similar reactivity E -pantan Question 46 [2 marks] Amine (below) can be formed by the reaction of Aminell with Question 4 (2 marks] Which of the following statements does not correctly describe a Grignard reagent? A A Grignard reagent results from the reaction of an alkyl halde and magnesium metal Amine Aminat B A Grignard reagent is reactive in water A CH.CH A D E The alkyl group in an alkyl Grignard reagent is negatively charged Grignard reagent can attack a cabocation The alkyl group in an alkyl Grignard reagent is a nucleophie BCH NH C. CH.CH DCH ECH,MOCI

Answer 1

Answer Q.43) Answer c) ~ The Gud chloride is most seach've carbuscylate acid derivatives. Explanahon "The relahve reachvity os carsbosyllic acid derivahves toward nucleophilic Subsh'tuhioms is depend on the electormegahve leaving group's ability to achiuate the carbonyl. The more Electronegah've leaving groups withchrawn ee density From carbony! and there are electrophiticity os carbonyl carbon increase . eine lis more electocmegahove and it with craw ew density of carbonyl toward itsells by -I eldsect and electrophilic charctez ols Carbony! increases and therelore Quid chlorides are most reachve Reachüvity Order Rulco> Rio-ER) Refor> RENE 09.484) Answer B) A grignard reagentis unreachive in water Explanation: A grignard reagent is very reachive towards the wates in water protematon os grignard reagent occurs. Therelsure Teachcos o GR required anhydrous conciliantie it required atomsphere. Therelvoe statement B) does not correctly describe a grignard reagent Rongx trou RH .45) Answer = 2 - Pentano! 04 o mg36 00 Men egmaße, Nevs л soos 2-Pentanol Reachim ol GR with aldehyde gives 2° alcohol Q.46) Answer es c-cl. Reachem with the o th