Explain molecular orbital structure and resonance energy of benzene.
[6 marks]Explain effect of substituent on acidity of benzoic acid.
[5 marks]Notes on Sachse Mohr’s theory.
[5 marks]Why benzene undergoes electrophilic substitution reaction? Explain halogenation reaction of benzene with mechanism.
[6 marks]Write down important reaction involve in benzoic acid in detail.
[5 marks]Discuss about reaction of cyclopropane and cyclobutane.
[5 marks]Notes on Haworth synthesis for naphthalene and Anthracene.
[6 marks]Discuss about Coulson and Moffitts modification of cycloalkanes.
[5 marks]Write down structure and medicinal use of Anthracene, diphenylmethane triphenylmethane derivatives.
[5 marks]Write a notes on acidicity and effect of substituents of phenol.
[6 marks]Discuss the molecular orbital structure of naphthalene?
[5 marks]What happen when
[5 marks]Naphthalene is treated with concentrated sulphuric acid at 1650C.
[ marks]Anthracene is treated with sodium dichromate and sulphuric acid.
[ marks]Write down significance and principle involve in determination of
[6 marks]RM value (b) Acetyl value
[ marks]Ester value (d) Iodine value
[ marks]Notes on synthetic use of aryl diazonium salts.
[5 marks]Explain
[5 marks]Why phenol is more acidic than ethyl alcohol?
[ marks]Why o-nitrophenol is steam volatile whereas p-nitrophenol is not? Q. 6 (a) How will you synthesise the following compounds from benzene
[6 marks]Benzene hexachloride (b) Ethylbenzene
[ marks]Explain hydrogenation of oil with diagram. Discuss significance and principal of acid value and saponification value.
[6 marks]Notes on a Fridel crafts alkylation and acylation of benzene
[5 marks]Discuss Bayer’s strain theory with suitable examples.
[5 marks]Isopropylbenzene (d) Cyclohexane
[ marks]Write down structure and use of following compounds
[5 marks]DDT (b) Saccharin (c) Cresol
[ marks]Notes on inductive group and its directing effect in monosubstituated benzene.
[5 marks]