203- Considering the following thermochemical reaction, which of the following statements is correct? $(H = 1,\ C = 12,\ Cl = 35/5\ \text{g.mol}^{-1})$ $$C_2H_4(g) + Cl_2(g) \rightarrow CH_2ClCH_2Cl(g),\quad \Delta H = -178\ \text{kJ}$$
In the presence of iron(III) chloride catalyst, the reaction proceeds in the solid phase.
The product of this reaction is a 1,2-dichloroalkane compound.
To produce 24.75 g of product, 0.25 mol of chlorine gas is consumed.
To release 8.9 kilojoules of heat, a total of 4.95 g of reactants are consumed.
[(1)] four
[(2)] three
[(3)] two
[(4)] one
\textbf{203-} Considering the following thermochemical reaction, which of the following statements is correct? $(H = 1,\ C = 12,\ Cl = 35/5\ \text{g.mol}^{-1})$
$$C_2H_4(g) + Cl_2(g) \rightarrow CH_2ClCH_2Cl(g),\quad \Delta H = -178\ \text{kJ}$$
\begin{itemize}
\item In the presence of iron(III) chloride catalyst, the reaction proceeds in the solid phase.
\item The product of this reaction is a 1,2-dichloroalkane compound.
\item To produce 24.75 g of product, 0.25 mol of chlorine gas is consumed.
\item To release 8.9 kilojoules of heat, a total of 4.95 g of reactants are consumed.
\end{itemize}
\begin{enumerate}
\item[(1)] four \quad \item[(2)] three \quad \item[(3)] two \quad \item[(4)] one
\end{enumerate}