Q.
Which of the following compound gives a higher alkene when heated with ethanolic zinc dust
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a
CH3-CHBr2
b
BrCH2-CH2Br
c
BrCH2-CH2-CH2Br
d
All of these
answer is A.
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Detailed Solution
1....CH3-CHBr2+2Znalc+CH3-CHBr2 →∆ 2-butene; 3....gives cyclopropane; 2.....CH2Br-CH2Br→Zn/ethanolCH2=CH2;
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