MCQ
The ring deuteration of phenol
- ✓Lowers the acidity
- BIncreases the acidity
- CImparts no effect
- DCauses amphoteric nature
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$CH_4\,(g)\,\,186.2\,JK^{-1}\,mol^{-1}$
$O_2\,(g)\,\,205.2\,JK^{-1}\,mol^{-1}$
$CO_2\,(g)\,\,213.6\,JK^{-1}\,mol^{-1}$
$H_2O\,(g)\,\,69. 9\,JK^{-1}\,mol^{-1}$
The entropy change $(\Delta S^o)$........$JK^{-1}\,mol^{-1}$ for the reaction
$CH_4\,(g) + 2O_2\,(g) \to CO_2\,(g) + 2H_2O(l)$ is
$\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}\xrightarrow{{{C_6}{H_5}COOOH}}\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - C{H_3}}
\end{array}$
The above reaction is known as :