MCQ
$C{H_3} - CH = C{H_2} + HBr\xrightarrow{{}}..........,$ the product formed is
- A$C{H_3} - C{H_2} - C{H_2} - Br$
- ✓$C{H_3} - CHBr - C{H_3}$
- C$BrC{H_2} - CH = C{H_2}$
- D$C{H_2} = C = C{H_2}$
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$(A)$ Addition of an electron in $O_2$ decreases bond order
$(B)$ Addition of an electron in $O_2$ increases bond order
$(C)$ Removal of an electron from $O_2$ increases bond length
$(D)$ Removal of an electron from $O_2$ decreases bond length
$R-Br + Cl^- \xrightarrow{{DMF}} R-Cl + Br^-$
which one of the following has the highest relative rate?
