Question
Derive the equation required for finding the activation energy.

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Cyclobutyl bromide on treatment with magnesium in dry ether forms an organometallic A. The organometallic reacts with ethanol to give an alcohol B after mild acidification. Prolonged treatment of alcohol B with an equivalent of HBr gives 1-bromo-1-methyl cyclopentane $C$. Write the structures of $A, B$ and explain how the $C$ is obtained from B?
Match the laws given in Column I with expresions given in Column II.
  Column I   Column II
i. Raoult’s law a. $\Delta\text{T}_\text{f}=\text{K}_\text{f}\text{m}$
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Column $I$
 
Column $II$
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$a.$
Cell reaction $2H_2 + O_2 ⎯\rightarrow 2H_2O$
$ii.$
$Ni–Cd$ cell
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Does not involve any ion in solution and is used in hearing aids.
$iii.$
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Rechargeable.
$iv.$
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