ALDEHYDE, KETNES,& CARBXYLIC ACID 1) C H 3 CH dil.h 2 S 4 HgS 4 A HCN H 2 /Ni B The IUPAC name of B is 2-hydroxy-2-methylpropanenitrile b) 2-hydroxy-2-methylpropanoic acid 2-hydroxypropanoic acid d) 1-amino-2-methylpropanol-2 2)The compound Y in the folloeing reaction is H PCl 5 X Y CH 3 CH 2 Cl b) CH 2 MgCl CH 2 - Na + d) None of these 3) Which of the following will undergo hydration most easily? CCl 3 CCCl 3 b) CCCl 3 CF 3 CCF 3 d) C 4) In the given reaction R Cl + R 2CuLi [X] Will be C 6 H 5 CH b) CH 2 C CH 2 CH d) CH
5) How many hydrogens are present in benzyl methyl ketone 4 b) 3 5 d) 6 6)For benzaldehyde, which of the following is incorrect It is an aromatic aldehyde b) It is used in perfumery n oxidation it yields benzoic acid d) n reduction it yields phenol 7) The reaction C 6 H 5 CH + CH C 6 H 5 CH=CH-CH Perkin s reaction b) Claisen condensation Benzoin condensation d) Cannizzaro s reaction 8) -CH + HCN A ; Compound A on hydrolysis gives CH 2 CH b) -CH 2 -CH 2 -NH 2 -CHH-CH d) -C-CH 9) Which of the following will be most readily dehydrated in acidic conditions. H H b) H d) H 10) The compound not soluble in acetic acid is CaC 3 b)ca
11) In the reaction CaC 2 4 d) NHC NH 2 NH 2 -H 2 X KH glycol y+n 2 'y' is CH 2 (H)CH(H)CH 2 H b) CH= CH 2 CH 2 CH d) CH 2 12) Treatment of propionaldehyde with dilute NaH solution gives CH 2 C CH 2 CH 2 b) CH 2 CHH CH( )CH CH 2 CHH CH 2 CH 2 CH CH 2 C CH 2 CH 2 CH 13) H 40%H 2 S 4 A Isomerisation 1% HgS 4 Structure of A and type of isomerism in the above reaction are respectively. prop-1-en-2-ol, metamerism b) prop-1-en-1-ol, Tautomerism prop-2-en-2-ol, geometrical isomerism d) prop-1-en-2-ol, Tautomerism 14) The correct order of decreasing acid strength of trichloroacetic acid (A) trifluroacetic acid(b) acetic acid & tribromoacetic acid (D) is B>A>D>C b) B>D>C>A A>B>C>D d) A>C>B>D 15) In a set of reactions, CH 2 CH yielded product D H SCl 2 A Benzene B An.AlCl 3 HCN C HH D The structure of D would be
C H 3 H H H H b) H H H d) 16.Silver mirror test is not positive with Benzaldehyde Acetone b)fructose d)acetaldehyde 17.Nucleophilic attack on carbonyl carbon changes its hybridization form sp to sp 2 b)sp 2 to sp 3 sp 3 to sp 2 d)sp to sp 3 18.Cannizaros reaction is not given by ( ) 3 CH C 6 H 5 CH b)( ) 2 CHCH d)(ch 2 H) 3 CCH 19.Identify A in the following sequence of reactions C 3 H 5 N (A) H3 + PCl 5 ( ) 2 CuLi
CH 2 CN b) CH 2 NC C ) H 2 C NH d) C H 3 H 20.In which of the following case Hell-Volhard Zenlinsky reaction can takes place? H H b) H d)( ) 3 CCH 21) Major product of the following reaction is + (C 6 H 5 ) 3 P= CHC 6 H 5 1,2 diphenyl ethene (major) Trans b) Cis cis & trans d) Product formed in incorrect 22) When HCH reacts with a mixture of NH4CL & NaCN, then end preoduct is CH 2 =NH 2 b) CH 2 =N - CH 2 CN
NH 2 CH 2 CN H d) N 23) In the reaction CH HgS 4 /H 2 S 4 A b) CH H d) H CH 2 CH 24)Which of the following alcohols is oxides by alkaline KMn 4 into carboxylic acid? H C 2 H HC b) H C H 3 H d) CH 2 H 25) - toluic acid on a reaction with Br 2 /Fe gives
CH 2 Br H H b) Br H H Br d) Br 26. Acetone is obtained by the ozonolysis of 2-Methylpropene b)but-1-ene But-1-yne d)but-2-ene 27. Cannizzaro reaction is not given by HCH b)c 6 H 5 CH ( ) 2 CHCH d)( ) 3 CCH 28. When acetaldehyde is heated with Fehling solution gives precipitate of Cu 2 b)cu CuS 4 d)cu 2 29. Methanal on reaction with ammonia gives aldemine b)pyridine formamide d)urotropine 30. The reagent used for preparation of benzaldehyde from benzene is, C,HCl b)cs 2,H 3 + Pd-BaS 4 d)cr 3, H 3 + 31. Which Factors will increase the reactivity of >C= group i) Presence of a group with positive inductive effect ii) Presence of a group with negative with Negative inductive effect iii) Presence of large alkyl group nly (i) b) nly (ii) (i) & (iii) d) (ii) & (iii)
32. n reductive zonolysis Yields 6-xoheptanal b) 6-xoheptanoic Acid 6-hydroxyheptanal d) 3-hydroxypentanal 33. Methyl ethyl Ketone is prepared by the oxidation of 2-propanol b) 1-butanol 2-butanol d) t-butyl Alcohol 34. HCH and HCH are detected by NaHC 3 b) CuS 4 /NaH AgN 3 /NH 4 H d) Na 2 C 3 35. Reaction of acetaldehyde with HCN followed by hydrolysis gives a compound which shows Metamerism b) Geometrical isomerism ptical isomerism d) Tautomerism` 36) Formaldehyde reacts with ammonia to give urotropine.the formula of urotropine is (CH 2 ) 6 N 4 b)(ch 2 ) 4 N 3 (CH 2 ) 6 N 6 d) (CH 2 ) 3 N 3 37) CH + MgBr Product H 2 A primary alcohol b) secondary alcohol tertiary alcohol d) ketone 38) Which does not react with Fehling solution Acetaldehyde b) Benzaldehyde
Glucose d) Formic acid 39) Which is not true about acetophenon Reacts to form 2,4-dinitrophenyl hydrazine b) Reacts with Tollens reagent to form silver mirror )Reacts with I 2 /NaH to form iodoform d) n oxidation with alkaline KMn 4 followed by hydrolysis gives benzoic acid 40) CH And C 6 H 5 CH 2 CH Can be distinguished chemically by Benedicts Test b) Iodoform test Tollens reagent test d) Fehling solution test 41. By which reaction a Ketone can be converted into hydrocarbons Aldol condensation b) Reimer-Tiemann Reaction Cannizzaro reaction d)wolff Kishner reaction 42. Glucose + Tollen s reagent Silver mirror Presence of CH group b) Presence of Keto group Presence of CH group d) Presence of CNH 2 group 43. When dihydroacetone is reacts with HI 4 the product is HCH b) HCH HCH and HCH d)hch and C 2 44. Reactivity towards nucleophilic addition reaction of I) HCH II) CH III) C is II > III > I b) III > II > I I > II > III d)i > III > II
45. The reagent which doesnot give acid chloride on treating with carboxylic acid with PCl 5 b) Cl 2 SCl 2 d)pcl 3 46)An compound (A)C 5 H 10 forms phenyl hydrazone and give negative tollen s and iodoform test.compound (A) on the clemmenson s reduction gives n- pentane.identify?(a) CCH 2 CH 2 b) CH 2 CH 2 CH 2 CH 2 CH 2 CH CCH( ) 2 47)Treatment of propionaldehyde with dil.nah solution gives CH 2 CCH 2 C 2 H 5 b) CH 2 CHHCH 2 CH 2 CH C) CH 2 CH(H)CH( )CH d) CH 2 CCH 2 CH 2 CH 48)IUPAC name of diacetone amine is 2-methyl,4-oxo,pentan-2-amine b)4-amino pentan-2-one 4-amino pentan-3-one d)4-amino,4-methyl pentan-2-one 49)Lactic acid on heating with conc.h 2 S 4 gives Acetic acid Acrylic acid b)formic acid d)propionic acid 50)Identify X in the following reaction RCH H 3 X [H] R-CH 2 -NH 2 Alkane nitrile Aldoxime b)alkyl isonitrile d)ketoxime