- AChloroethane
- ✓Ethylene dibromide
- CCyclohexane
- D$1-$ bromo propane
$\mathop {{H_2}C = C{H_2}}\limits_{{\text{Ethylene}}} \; + \mathop {B{r_2}}\limits_{{\text{Bromine}}} \to $ $\mathop {\begin{array}{*{20}{c}}
{{H_2}C - C{H_2}} \\
{|\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,Br\,\,\,\,\,Br}
\end{array}}\limits_{Ethylene\,\,dibromide} $
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$Cu^{2+}_{(aq)} + e^-\to Cu^+_{(aq)}$ and
$Cu^+_{(aq)} + e^-\to Cu_{(s)}$
are $+0.15\,V$ and $+0.50\,V$ respectively. The value of $E^o_{Cu^{2+}/Cu}$ will be ............ $\mathrm{V}$
The order of decreasing reactivities of these alcohols towards substitution with $HBr$ is
Assertion $A:$- Butylated hydroxyl anisole when added to butter increases its shelf life.
Reason $R:$- Butylated hydroxyl anisole is more reactive towards oxygen than food.
In the light of the above statements, choose the most appropriate answer from the options given below :-