Download ORGANIC CONVERSION---(2 to 3 marks)

KENDRIYA VIDYALAYA nmo-3 , bbsr
by A.K.PANDA
ASSIGNMENT FOR CLASS –XII Sc (CHEMISTRY) ORGANIC CONVERSION---(2 to 3 marks)
CONVERT THE FOLLOWING:Q.I# Aniline to (a) benzoic acid (b) benzonitrile (c) iodobenzene (d )phenol (e) acetanilide (f) p-nitroaniline (g) sulphanilic acid
Q.II# Benzonitrile to (a)actophenone
(b) benzoic acid (c) benzamide (d) 1-phenyl methanamine
(e) aniline
Q.III# Phenol to (a) salicylic acid
(b) salicylaldehyde
(c) toluene
(d) acetophenone
(e) aspirin
Q.IV# Acetylene to
(a) Lactic acid
(b) Acetaldehyde
(c) Acetic acid
Q.V# Benzaldehyde to (a) α-hydroxy phenyl acetic acid (b) Benzophenone (c) 3-phenylpropan-1-ol (d) Benzyl alcohol
Q.VI# Hept-1-ene to
(a) Heptanal
(b) Hexanal
(c) Hexanoic acid
(d) Heptanoic acid .
Q.VII # Acetaldehyde to (a) butan-2-one (b) but-1,3-diol (c) but-2-enal (d) butan-1-ol
(e) butanoic acid
(f) but-2-enoic
acid (g) Lactic acid (h) nitropropene -1
Q.VIII # Benzene to
(a) m-nitrobenzoic acid (b) phenyl acetic acid (c) p-nitro benzaldehyde
(d) p-nitro benzoic acid
(e) methyl benzoate
(f) meta-nitroacetophenone
Q.IX # (a) Benzoic acid from chlorobenzene (b) t-butyl alcohol from acetone (c) ethanol to propan-2-ol
(d) Methyl cyanide to propanone-2
(e) Acetophenone to 2-phenyl-2-butanol
(f) Methanal to propan-1-ol
(g) bromobenzene to 1-phenyl ethanol
(h) Propanal to Butanone
Q.X # (1) Ethyl amine from acetaldehyde
(2 ) Ethanoyl chloride to methyl nitrile
(3) 2-nitropropane to acetone
(4) Hexanamide to hexanitrile
(5) Propene to acetone and vice versa
(6) Toluene to benzaldehyde
(7) Ethylbromide to ethylamine
(8) Anisole to p-methoxy acetophenone
(9) Benzoyl chloride to benzonitrile
(10) n-propyl alcohol to hexane.
(11) Hexanoic acid to hexanenitrile
(12) p-nitrobenzoic acid to p-nitroaniline
(13) benzoic acid to
benzyl amine
(14) Benzyl alcohol to phenylethanoic acid
(15) m-nitroaniline from nitrobenzene
(16) p-toludine to 2-bromo-4-methyl aniline
(17) Ethanol to 1,2-ethanediol
(18) Acetic acid to acetaldehyde
(19) Acetic acid to ethylamine
(20) acetic acid to acetone
(21) Benzyl alcohol to Benzoic acid
(22) Propanoic acid to Propenoic acid
(23) Cyclohexene to Hexane-1,6-dioic acid (24) p-methyl acetophenone to benzene-1,4-dicarboxylic acid
(25) Propanoyl chloride to Dipropyl amine
(26) Benzoic acid to Benzaldehyde
(27) Acetophenone to ethyl benzene
Q.XI#
(a) Methyl amine to Ethyl amine and vice versa
(b) propanoic acid to ethyl ammine
(c) ethyl bromide to propanamine
(d) Acetyl chloride to methyl chloride.
TOPIC-------ALCOHOLS _ REACTIONS _ CONVERSIONS
# How are the following conversions carried out?
(1) Propene → Propan-2-ol.
(2) Benzyl chloride → Benzyl alcohol.
(3) Ethyl magnesium chloride → Propan-1-ol.
(4) Methyl magnesium bromide → 2-Methylpropan-2-ol.
(5) Propene to propan-1-ol
(6) acetone to propan-2-ol
(7) ethyl acetate to ethanol
(8) Butanol to butanal
(9) t-butyl alcohol to 2-methyl prop-1-ene
(10) Ethyl alcohol to ethyl butanoate
(11) Benzoic acid from chlorobenzene
(12) t-butyl alcohol from acetone
(13) ethanol to propan-2-ol
(14) Methyl cyanide to propanone-2
(15) Acetophenone to 2-phenyl-2-butanol
(16) Methanal to propan-1-ol
(17) bromobenzene to 1-phenyl ethanol
(18) Propanal to Butanone
(19) Ethanol to 1,2-ethanediol
(20) Anisole to p-methoxy acetophenone
(21) n-propyl alcohol to hexane
(22) Benzyl alcohol to Benzoic acid
(23 ) aniline to phenol
(24) Cumene to phenol
(25) Benzene to phenol
(26) chlorobenzene to phenol
(27) Phenol to (a) salicylic acid
(b) salicylaldehyde
(c) toluene
(d) acetophenone
(e) aspirin
(f) Benzene (g) Picric acid (h) 2,4,6 –Tribormo phenol (i) 2-bomo phenol (j) benzoquinone
# Predict the major product of acid catalysed dehydration of
(i) 1-methylcyclohexanol and
(ii) butan-1-ol
# Give structures of the products you would expect when each of the following alcohol reacts with
(a) HCl –ZnCl2
(b) HBr and (c) SOCl2.
(i) Butan-1-ol (ii) 2-Methylbutan-2-ol
# Write the structures of the major products expected from the following reactions:
(a) Mononitration of 3-methylphenol (b) Dinitration of 3-methylphenol (c) Mononitration of phenyl methanoate.
# Name the reagents used in the following reactions:
(i) Oxidation of a primary alcohol to carboxylic acid.
(ii) Oxidation of a primary alcohol to aldehyde.
(iii) Bromination of phenol to 2,4,6-tribromophenol.
(iv) Benzyl alcohol to benzoic acid.
(v) Dehydration of propan-2-ol to propene.
(vi) Butan-2-one to butan-2-ol. (vii) 1-propoxypropane from propan-1-ol
# Write the names of reagents and equations for the preparation of the following ethers by Williamson’s synthesis:
(i) 1-Propoxypropane (ii) Ethoxybenzene (iii) 2-Methoxy-2-methylpropane (iv) 1-Methoxyethane
# Write the equation of the reaction of hydrogen iodide with:
(i) 1-propoxypropane (ii) methoxybenzene and (iii) benzyl ethyl ether.
# Give the structures and IUPAC names of the products expected from the following reactions:
(a) Catalytic reduction of butanal.
(b) Hydration of propene in the presence of dilute sulphuric acid.
(c) Reaction of propanone with methylmagnesium bromide followed by hydrolysis.
# Give equations of the following reactions:
(i) Oxidation of propan-1-ol with alkaline KMnO4 solution. (ii) Bromine in CS2 with phenol. (iii) Dilute HNO3 with phenol.
# Explain the following with an example. Write equations of the following reactions:
(i) Kolbe’s reaction. (ii) Reimer-Tiemann reaction. (iii) Williamson ether synthesis. (iv) Unsymmetrical ether. (v) Friedel-Crafts
reaction – alkylation of anisole. (vi) Nitration of anisole. (vii) Bromination of anisole in ethanoic acid medium. (viii) FriedelCraft’s acetylation of anisole. (ix) hydroboration-oxidation reaction
# Illustrate with examples the limitations of Williamson synthesis for the preparation of certain types of ethers.
# You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.
# Give the equations of reactions for the preparation of phenol from cumene.
# Write chemical reaction for the preparation of phenol from chlorobenzene.
# Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methylpentan-2-ol.
# Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene and why?
# Show how are the following alcohols prepared by the reaction of a suitable Grignard reagent on methanal ?
(i) 2-methyl propanol (ii) 1-phenyl methanol
# Give the major products that are formed by heating each of the following ethers with HI.
#Show how would you synthesise the following alcohols from appropriate alkenes?