Write the mechanism for the Haloform reaction.
Haloform Reaction
Haloform Reaction is a type of organic reaction where haloform is produced by halogenation of methyl ketone in the presence of a base. It is a kind of nuclophilic substitution reaction. This reaction is used in quanitatve analysis to indicate the
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Explain Hell-Vollhard-Zelinski reaction. Also illustrate its synthetic importance.
Match the following ions with their correct pKa values and give reasons for your answer:
Column I, Ion Column II, pKa
2-Position of pyrrole is more reactive towards electrophilic substitution than
3-position. Explain giving all possible resonance structures of carbocations formed. Explain.
What are the limitations of Friedel-Crafts alkylation?
Predict the product(s) of the following reactions:
(i) Nitration of azole
(ii) Friedel-Crafts acylation of pyridine
(iii) Reduction of pyrrole with zinc and ethanoic acid.
How will you prepare the following ?
(i) 10 -Hexyne from ethyne
(i) Ethanol from ethyne
(ii) 3-Hexanone from 3-hexyne.
What is aci form of nitroethane? Discuss.