Write the full reaction and mark the nucleophile and electrophile in each case.
i) Reaction between potassium cyanide and 1-chloropropane
ii) Reaction between hydrogen bromide and cis 2-butene
iii) Reaction between sodium methoxide and benzyl bromide
iv) Acid catalysed reaction of water with cyclopentene
v) Reaction between ethanal and hydrogen cyanide
i) Reaction between potassium cyanide and 1-chloropropane:
Full Reaction:
CH3CH2CH2Cl + KCN → CH3CH2CH2CN + KCl
Nucleophile: CN^- (cyanide ion)
Electrophile: 1-chloropropane (CH3CH2CH2Cl)
ii) Reaction between hydrogen bromide and cis 2-butene:
_____ _________ __________ ________ __________ ___ ___ __________ ________ _____.
___ ______ _______ ________ ____ _________ ___ ___ ____ ___ _______ ________.
_______ ____ __________ ____ _________ __________ ________ _____.
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___ ________ ___ _________ ____ ___ _________.
___ ______ ____ _________ ______ ______ __________.
_____ __________ ______ ______ _____ ____ _____.
__________ __________ _____ ________ ___ ___ ________ _____ ____.
_________ ______ ________ _______ __________.
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_______ __________ ________ ______ ________ ____ ________ _________.
_________ ______ __________ ___ __________ ______ _________ ____ __________ _____.
_________ ____ _____ ____ ___ ______ _______ _________ _____ _____ ___.
________ ______ _______.
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Write the main product of the following reactions giving reasons for your answer.
Arrange the following in the increasing order of electrophilic substitution. Justify your answer.
How free radicals are generated using redox reaction? Give at least two examples.
What are the major advantages of such reactions?
Explain the following:
i) E2 elimination does not give rearranged product.
ii) E1 elimination does not involve isotope effect;
iii) Hofmann elimination gives less substituted alkene
iv) An anti elimination is faster than syn-elimination.
v) The elimination of HCl from chlorofumaric acid is 50 times faster than
chloromalic acid.
How are following conversions carried out?
i) 6-hydroxy-6-Methyl- 2-heptanone from 5-bromo-2-propanone using Grignard
reagent
ii) Cyclopentyl methyl ketone from acetoacetic ester
iii) Barbituric acid from molonic ester
iv) Propanol from ethylene oxide
v) Butane from chloromethane
Write the mechanism of Paterno-Buechi reaction.
Complete following reactions:
