229353 The activation energy for a reaction at the temperature TK was found to be $2.303 \mathrm{RT} J$ $\mathrm{mol}^{-1}$. The ratio of the rate constant to Arrhenius factor is

229354 The activation energy of exothermic reaction $A \rightarrow B$ is $80 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The heat of reaction is $-200 \mathrm{kJmol}^{-1}$. The activation energy for the reaction $B \rightarrow A\left(\right.$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) will be

229347 Arrhenius equation is :

229349 The reactivity order of halogenation of alkanes is $\mathrm{F}_2>\mathrm{Cl}_2>\mathrm{Br}_2>\mathrm{I}_2$. Choose the correct statements.
(I) Lower the activation energy for the chain initiation step, more reactive is the halogen.
(II) Lower the activation energy for the first chain-propagation step, more reactive is the halogen.
(III) Lower the activation energy for the second chain propagation step, more reactive is the halogen.
(IV) More negative is the overall heat of the reaction ( $\Delta \mathrm{H}_{\mathrm{r}}^{\circ}$ of halogenations of alkane) more reactive is the halogen.

229353 The activation energy for a reaction at the temperature TK was found to be $2.303 \mathrm{RT} J$ $\mathrm{mol}^{-1}$. The ratio of the rate constant to Arrhenius factor is

229354 The activation energy of exothermic reaction $A \rightarrow B$ is $80 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The heat of reaction is $-200 \mathrm{kJmol}^{-1}$. The activation energy for the reaction $B \rightarrow A\left(\right.$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) will be

229347 Arrhenius equation is :

229349 The reactivity order of halogenation of alkanes is $\mathrm{F}_2>\mathrm{Cl}_2>\mathrm{Br}_2>\mathrm{I}_2$. Choose the correct statements.
(I) Lower the activation energy for the chain initiation step, more reactive is the halogen.
(II) Lower the activation energy for the first chain-propagation step, more reactive is the halogen.
(III) Lower the activation energy for the second chain propagation step, more reactive is the halogen.
(IV) More negative is the overall heat of the reaction ( $\Delta \mathrm{H}_{\mathrm{r}}^{\circ}$ of halogenations of alkane) more reactive is the halogen.

229353 The activation energy for a reaction at the temperature TK was found to be $2.303 \mathrm{RT} J$ $\mathrm{mol}^{-1}$. The ratio of the rate constant to Arrhenius factor is

229354 The activation energy of exothermic reaction $A \rightarrow B$ is $80 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The heat of reaction is $-200 \mathrm{kJmol}^{-1}$. The activation energy for the reaction $B \rightarrow A\left(\right.$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) will be

229347 Arrhenius equation is :

229349 The reactivity order of halogenation of alkanes is $\mathrm{F}_2>\mathrm{Cl}_2>\mathrm{Br}_2>\mathrm{I}_2$. Choose the correct statements.
(I) Lower the activation energy for the chain initiation step, more reactive is the halogen.
(II) Lower the activation energy for the first chain-propagation step, more reactive is the halogen.
(III) Lower the activation energy for the second chain propagation step, more reactive is the halogen.
(IV) More negative is the overall heat of the reaction ( $\Delta \mathrm{H}_{\mathrm{r}}^{\circ}$ of halogenations of alkane) more reactive is the halogen.

229353 The activation energy for a reaction at the temperature TK was found to be $2.303 \mathrm{RT} J$ $\mathrm{mol}^{-1}$. The ratio of the rate constant to Arrhenius factor is

229354 The activation energy of exothermic reaction $A \rightarrow B$ is $80 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The heat of reaction is $-200 \mathrm{kJmol}^{-1}$. The activation energy for the reaction $B \rightarrow A\left(\right.$ in $\mathrm{kJ} \mathrm{mol}^{-1}$ ) will be

229347 Arrhenius equation is :

229349 The reactivity order of halogenation of alkanes is $\mathrm{F}_2>\mathrm{Cl}_2>\mathrm{Br}_2>\mathrm{I}_2$. Choose the correct statements.
(I) Lower the activation energy for the chain initiation step, more reactive is the halogen.
(II) Lower the activation energy for the first chain-propagation step, more reactive is the halogen.
(III) Lower the activation energy for the second chain propagation step, more reactive is the halogen.
(IV) More negative is the overall heat of the reaction ( $\Delta \mathrm{H}_{\mathrm{r}}^{\circ}$ of halogenations of alkane) more reactive is the halogen.