Medium
The temperature coefficient of a reaction is defined as:
- ASpecific reaction rate at $25\,^{\circ}C$
- BRate of the reaction at $100\,^{\circ}C$
- CRatio of the rate constants at temperatures $35\,^{\circ}C$ and $25\,^{\circ}C$
- DRatio of the rate constants at two temperatures differing by $1\,^{\circ}C$
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$1.$ In collision theory the molecules are hard .........
$2.$ In a reality the molecules are hard ..........
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$1.$ In collision theory the molecules are hard .........
$2.$ In a reality the molecules are hard ..........
$3.$ Collision take place with .......... species.
Difficult
View SolutionThe rate of a reaction is doubled for every $10^\circ C$ rise in temperature. The increase in reaction rate as a result of temperature rise from $10^\circ C$ to $100^\circ C$ is
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View SolutionWhat is the value of the slope of the plot $\ln K$ versus $\frac{1}{T}$ for a reaction having $E_{a} = 33.256 \ J \ mol^{-1}$?
The first order rate constant $k$ is related to temperature $T$ as $\log \, k = 15.0 - (10^{6} / T)$. Which of the following pairs of values for the Arrhenius factor $A$ and activation energy $E_a$ is correct?
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View SolutionFor an exothermic reaction $A \to B$,the activation energy is $65 \ kJ \ mol^{-1}$ and the heat of reaction is $-42 \ kJ \ mol^{-1}$. The activation energy for the reverse reaction $B \to A$ would be....... $kJ \ mol^{-1}$
Medium
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