$2c - 2e:H - B - H$
$\begin{array}{*{20}{c}}
{^H} \\
{_H}
\end{array}\begin{array}{*{20}{c}}
\backslash \\
/
\end{array}B\begin{array}{*{20}{c}}
/ \\
\backslash
\end{array}_H^H\begin{array}{*{20}{c}}
\backslash \\
/
\end{array}B\begin{array}{*{20}{c}}
/ \\
\backslash
\end{array}_H^H$
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$MnO _{4}^{-}+8 H ^{+}+5 e ^{-} \rightarrow Mn ^{2+}+4 H _{2} O , E ^{\circ}=1.51 V$
The quantity of electricity required in Faraday to reduce five moles of $MnO _{4}^{-}$ is ..... .
$Q + Cl ^{-} \rightarrow X$
$Q + Me _3 N \rightarrow Y$
$Q + CuCl _2 \rightarrow Z + CuCl$
$X$ is a monoanion having pyramidal geometry. Both $Y$ and $Z$ are neutral compounds. Choose the correct option($s$).
$(1)$ The central atoms in $X$ is $sp ^3$ hybridized
$(2)$ The oxidation state of the central atom in $Z$ is $+2$
$(3)$ The central atom in $Z$ has one lone pair of electrons
$(4)$ There is a coordinate bond in $Y$
$\begin{array}{*{20}{c}}
{OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}CHC{H_2}C{H_2}N{H_2}}
\end{array}$ $\xrightarrow[{triethyla\min e}]{{ethyl\,formate\,\left( {1\,equiv} \right)}}$
(Nearest integer)
[Given : The heat capacity of the calorimeter system is $20\, kJ\, K ^{-1}, R =8.3\, JK ^{-1}\, mol ^{-1}$.
Assume ideal gas behaviour.
Atomic mass of $C$ and $H$ are $12$ and $1\, g\, mol ^{-1}$ respectively]