MCQ
Product $(A)$ is


- A$\begin{array}{*{20}{c}}
{\,\,\,\,O}\\
{\,\,\,||}\\
{Ph - {\rm{ }}C - {\rm{ }}Ph}
\end{array}$ - ✓$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,OH}\\
{\,\,|}\\
{Ph - {\rm{ }}C - {\rm{ }}Ph}\\
{\,|}\\
{\,\,\,Ph}
\end{array}$ - C

- D





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$\begin{array}{*{20}{c}}
{C{H_3}}\\
{|\,\,\,\,\,}\\
{{C_6}{H_5}C{H_2} - C - C{H_2} - C{H_3}}\\
{|\,\,\,\,\,}\\
{Br\,\,\,}
\end{array}$ $\xrightarrow[{{C_2}{H_5}OH}]{{{C_2}{H_5}ONa}}$

Ethanol $\xrightarrow{{PB{r_3}}}X\,\xrightarrow{{alc.\,KOH}}\,Y$$\,\xrightarrow[{(ii)\,{H_2}O\,,\,heat}]{{(i)\,{H_2}S{O_4},\,room\,\,temperature}}Z$
the product $Z$ is
In a closed vessel follows first order kinetics. If starting with pure $N_2O(g)$ total pressure after time $'t'$ is $P_t$ and after a very long time is $P_\infty$ then which of the following expressions is correct
