ORGANIC QUESTION BANK

IDENTIFICAATION REACTION 1. C2 H5 Br alc KOH A Br2 B 2. C6 H5 NH2 NaNO2 +HCl A Cu(OH) 2 B 3. C6 H5 NH2 H2 SO4 A HEAT B 4. CH3 NC H2 /Pt A 5. CH3 CH CH2 CH3 ale KOH A Br2 B alc KOH C H2O D Hg 25H+ Br 6. C6 H5 CHO + KOH Conc 7. (CH3 )3 CBr +NaOC2H5 Ethane Heat 7. CH3 COOH ? ClCH2 COOH exc. Ammonia 8. CH3 CHO CH3MgBr ? ? CH3 CHOHCH3 (CH3COO)2 Ca Heat 10. RNH2 +CHCl2 +3KOH 11. C6 H5 NH2 + (CH3) 2 CO 12. CH3 CH2 NO2 + LiAlH4 REASONING QUESTION 1. Before nitration aniline is converted into acetanaline ? 2. Aromolic ammines are less basic than aliphanic ammines ? 3. Silver chiloride dissolve in methyl ammine solution ? 4. Phenol does not undergo protosanon readily ? Odichlorobengin has lower boiling point than photochiorobenzin ? Ammonolysis of alkyl halide does not give a corresponding ammines in pure state ? If NO2 or COOH groups is attached to a carbon of benzin ring electrophilic substitution becomes difficults ? Halsalkane undergo nucleophilic substitution reaction ? Alchohol act as a weck base ? Phenol exibit acidic halver ? Ether posses dipolemoment even alkyl groups are identical ? Carboxylic acids have high boiling point than alcohols of comparable molecular mass ? Aloxhydes are more reactive than ketones towards Nucleophilic reagents ? Boiling points of eather are lower than isomeric alcohols? Alkin acid is weaker than chioroacetric acids ? During the prepration of ammonia aerrivetives of alaehyse &ketones . pH of the reaction is carefully controlled ? Presence of acetic anhydense is necessary in the oxidation of tolvene to benzaldehydrade by chromic oxide ? Chloroacetic acids has higher pH value than acidic acid ? Electrophilic substitution reaction in benzoic acids takes place at metaposition ? Alkyl ammines are stronger base than Aryl ammines ? Like ammonia ammines are good nucleophiles? In contrast to arenes aliphatic hydrocarbones do not undergo nitration easily? What for quatornavy ammonium salts are widely used ? Tolvene is more readily nitrated than benzene ? Haloalkanes are more reactive then haloammines ? Unlike alcohols ,phenols cannot be easily protonated ? 27. Alkyl nitrite have lower boiling point than the corresponding carboxylic acids ? 28. Why do aldehydre/ketone behave like polor compounds ? 29. Haloarenes are insoluble in water but soloble in benzene ? 30 Formalchyde gives cannbard reaction whereas acitaldehyde not ? 31 Carboxylic acid do not give the characteristic test of carboxylic group? 32 Haloalkanes undergo nucleophilic substitution whereas haloammines electrophilic substitution ? Why melting point of P dichlorobenzene is greater than that of Odichlorobenzene? Addition of KCN solution to carbonyl compounds increases the pH of solution Sodium Bisulfite is used for the purification of Carbonyl Compounds Boiling point of aldehydes lie in between parent alkanes and corresponding alcohols Benzaldehyde gives a positive test with Tollens reagent but not give with Fehling solution or Benedict solution. Carbonyl compound shows nucleophillic addition reaction ORGANIC CONVERSION [1] phenol into salycyer acid [2] chlorobenze to phenol [3] ethemn to 1;2 ethanedral [4] phenol to salyeyaldehydc [5] mathye bromide ------------------ acitic acid [6] tolune to bengeldchydc [7] acitic acid to ethyeain------ [8] bangan to acitaphenone [9] ethanol to propartion [10] benzolye chloride to benzaldehydic [11] acetaldehyde to crotonaldetiyer [12] Benzoyle chloride to benzoldehyde . [13]. Acetoldehyde to crotonaldehyde . [14]. Acetic acid to acetone . [15]. Ethyle isocyanide to ethyle anion . [16]. Aniune toN-phenyl etheremide . [17]. Propane to 1- bromopropane . [18]. 2propanol to lodoform . [19]ethene to ethanol . [20].phenol to phenylethonoate . [21]. Ehenol to 2 propanol . [22]. Propane to 2- propanon . [23]. Aniline to phlorobenzene [24]. 2propanol to2-propanone [25]. Proponoic acid to 1 propanol [26]. Acetophenone to benzoic acid . [27] Acetone to 2 botyl alcohal [27] Aniline to pamoroagobenzene [28] 2-Butonol from ethnol [29] ………..from benzene [30] 2,3Dimethyl butane from 2 ….propane [31] Benzene to o nitro chlrobenzene [32] Propane from 2 propanol [33] phenol from aniline [34] Benzaldehyde in to acetaphenone [35] Melonic acid in to acetic acid [36] Acetaldehyde in to 2 butenol [37] Glycerol from glyceides [38]2,4,6 tribromo phenol from phenol [39] Ethanoic acid to propanoic [40] Acetic acid to diethyle anine [42] Nitro benzene to phenol [43] Aniline to benzoic acid [44] Phenol to propophenol [45] Phenol to 2acetoxybenzoic acid [46]. Benzoic in in to in nitrochlorobenzene [47].benzene in to P chloronitrobenzene [48]. Propanoic acid to acetic acid [49].anisole to ani-nitrosole [50]. Proponoic anyhydrate from propynle chloride to sodium propanoate [51]. Propanoic antyhydrate from propanoic acid [52]. Ethyle aminine to acetic acid [53]. Methyle cyanide to acetyle dehyde [54]. Aniline into benzalymine [55]. Nitrobenzene In to bromochlorobeenzene [56]. Benzadehyde in to cyanobenzene [57]. Nitrobenzene in to nitrophenol [58]. CO2 in to acetic acid [59]. Acetaldehyde into lectic acid [60]. Dimethyle into diethyle ether [61]. Ethyle alcohol in to melonic acid [62]. Ethyle alcohol into vinyle acetate Important name reaction [1] Rosemnund [2] Cannizoro [3] Hoffman bromamide reaction [4] Wolf kishner reduction [5] Kolbes reaction [6] Remer Temann reaction [7] tollens reagent test [8] Aldol condensatron [9] trans esterifraction [10] Sandmeyer reaction [11] carbylamine reaction [12] Isocyanide test [13] coupling reaction [14] Friedel craft reaction [15] Fehling test [16] Kharasch effect [17] Dehydration of ethanol [18] Hinsberg test [19] Gabriel synthesis [20] Wittig Reaction