Butene when treated with chlorine at about 500oC forms:
A
MeCH2CHCl - CH2Cl
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B
MeCH(Cl)-CH=CH2
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C
ClCH2CH2CH = CH2
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D
MeC(Cl2)CH=CH2
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Solution
The correct option is C MeCH(Cl)-CH=CH2 Butene when treated with chlorine at about 500 0C forms 3-chloro-1-butene. in this reaction, the allylic H is replaced with Cl. CH3−CH2CH=CH2Cl−−−→500oCCH3−CHCl−CH=CH2