CBSE Class 11-science Answered
what happens when
chlorobutane is heated with alcoholic solution of KOH
ethyl bromide is heated with alcoholic potash
ethyl iodide is treated with sodium in dry ether
Asked by Aakrati Gawande | 26 Mar, 2014, 03:51: PM
Expert Answer
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- Alkyl halides on heating with alcoholic potash eliminate one molecule of halogen acid to form alkenes.
- This reaction is known as dehydrohalogenation i.e. removal of halogen acid.
- This reaction is an example of β - elimination reaction since hydrogen atom is eliminated from the β carbon atom.
CH3 - CH2 - CH2 - CH2 –Cl 
CH3 - CH2 - CH = CH2 + HCl
Answered by | 27 Mar, 2014, 09:58: AM
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