MCQ
A reaction is catalysed by $ ‘X ’$. Here $ ‘X ’$
- ADecreases the rate constant of reaction
- BDoes not affect the equilibrium constant of reaction
- CDecreases the enthalpy of reaction
- ✓Decreases the activation energy
✓
Answer
Correct option: D.
Decreases the activation energy
d
(d)Catalyst reduce the activation energy for reaction and thus increase the rate of reaction.
(d)Catalyst reduce the activation energy for reaction and thus increase the rate of reaction.
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$\begin{array}{*{20}{c}}
{{{(C{H_3})}_2}CH - C - N{H_2}\,\xrightarrow[{B{r_2}}]{{NaOH}}A\xrightarrow{{COC{l_2}}}B} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ $B$ is
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{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
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