- AAuric chloride
- BSilver nitrate
- CCuprous chloride
- ✓Calcium sulphate
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$(A)$ $\mathrm{Sc}$ $(B) \mathrm{Cr}$ $(C) \mathrm{V}$ $(D)$ $\mathrm{Ti}$ $(E)$ $\mathrm{Mn}$
Choose the correct answer from the options given below:
$\begin{array}{*{20}{c}}
{{C_2}{H_5}MgBr + {H_2}C - C{H_2}\xrightarrow{{{H_2}O}}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\backslash \,\,\,\,/} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}A$
$A\xrightarrow{{{K_1}}}B$, activation energy $= Ea_1$
$A\xrightarrow{{{K_2}}}C$, activation energy $= Ea_2$
if $E{a_1} = \frac{{E{a_2}}}{3}$ then the relation between $K_1$ and $K_2$ is
$(1)$ Oxidation of $1-$ phenylethanol
$(2)$ Reaction of benzalthanol with methyl magnesium bromide
$(3)$ Friedel craft’s reaction of benzene with acetyl chloride
$(4)$ Distillation of calcium benzoate
$A, C$ and $D$ are :-