
- Alow $pH$
- ✓Intermediate $pH$
- Chigh $pH$
- Dany $pH$


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$\begin{array}{*{20}{c}}
{C{H_3} - C - C - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{O\,\,\,\,\,\,\,\,\,O}
\end{array}$ $X$ in the above reaction is
(Given Atomic No. of $\mathrm{Ho}=67$ )
$A$. $\mathrm{Ti}^{3+}$ $B$. $\mathrm{Cr}^{2+}$ $C$. $\mathrm{Mn}^{2+}$ $D$.$\mathrm{Fe}^{2+}$ $E$. $\mathrm{Sc}^{3+}$
Choose the most appropriate answer from the options given below.
Final proudct of above reaction
$\begin{array}{*{20}{c}}
{BrC{H_2} - CH - CO - C{H_2} - C{H_2}C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{CON{H_2}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
is :