1.

Which of the following is the most stable alkene [AIIMS 1998; KCET (Med.) 2000; CPMT 2003]

A. \[{{R}_{2}}C=C{{R}_{2}}\]
B. \[RCH=CHR\]
C. \[RC{{H}_{2}}=C{{H}_{2}}R\]
D. \[C{{H}_{2}}=C{{H}_{2}}\]
Answer» B. \[RCH=CHR\]


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