MCQ
Which of these substances is a good reducing agent
- A$NaOCl$
- ✓$HI$
- C$FeC{l_3}$
- D$KBr$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(I)$ $\begin{matrix}
\begin{matrix}
\,\,\,Br \\
| \\
\end{matrix} \\
Ph-C-Ph \\
| \\
\,\,\,\,\,\,C{{H}_{3}} \\
\end{matrix}$
$(II)$ $\begin{matrix}
Br \\
|\,\,\, \\
Ph-CH-Ph \\
\end{matrix}$
$(III)$ $\begin{matrix}
Ph-CH-C{{H}_{3}} \\
|\,\,\,\,\,\,\, \\
Br\,\,\,\,\,\, \\
\end{matrix}$
$(IV)$ $PhVH_2Br$
This reaction was studied at $-10^{\circ} C$ and the following data was obtained
| run | $[ NO ]_{0}$ | $\left[ Cl _{2}\right]_{0}$ | $r _{0}$ |
| $1$ | $0.10$ | $0.10$ | $0.18$ |
| $2$ | $0.10$ | $0.20$ | $0.35$ |
| $3$ | $0.20$ | $0.20$ | $1.40$ |
$[ NO ]_{0}$ and $\left[ Cl _{2}\right]_{0}$ are the initial concentrations and $r _{0}$ is the initial reaction rate.
The overall order of the reaction is ..........
(Round off to the Nearest Integer).