how Iodoethane is prepared from ethyl bromide,ethanol & ethene
Answers
C2H4 + I 2 --- C2h4i2
The best method of converting ethanol, C2
H5
OH, into iodoethane, C2
H5I, is to
A heat iodine and ethanol under reflux.
B react ethanol and potassium iodide in the presence of dilute acid.
C heat potassium iodide and ethanol with concentrated sulfuric acid.
D heat red phosphorus, ethanol and iodine under reflux.
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Answer:
Iodoethane can be prepared by reacting ethene with hydrogen iodide. Iodoethane can be prepared by heating ethanol with with iodine in presence of red phosphorous. Iodoethane is prepared from ethyl bromide by Finkelstein reaction.
Step-by-step explanation:
Preparation of Iodoethane from ethene:
Iodoethane can be prepared by reacting ethene with hydrogen iodide:
C₂H₂ + HI → C₂H₅I
Preparation of Iodoethane from ethanol:
Iodoethane can be prepared by heating ethanol with with iodine in presence of red phosphorous:
12C₂H₅OH + 6I₂ + P₄ → 12C₂H₅I + 4H₃PO₃
Preparation of Iodoethane from ethyl bromide:
The conversion of ethyl bromide to iodoethane using sodium iodide and dry acetone, this reaction is known as Finkelstein reaction.
C2H₅Br + NaI → C₂H₅I + NaBr