$S_{\text{(rhombic)}} + O_{2(g)} \rightarrow SO_{2(g)}; \Delta H = -297.5 \, kJ$
$S_{\text{(monoclinic)}} + O_{2(g)} \rightarrow SO_{2(g)}; \Delta H = -300 \, kJ$
From the given data,which of the following statements is correct?
$S_{\text{(monoclinic)}} + O_{2(g)} \rightarrow SO_{2(g)}; \Delta H = -300 \, kJ$
From the given data,which of the following statements is correct?
- A$S_{\text{(rhombic)}}$ is more stable than $S_{\text{(monoclinic)}}$.
- B$S_{\text{(monoclinic)}}$ is more stable than $S_{\text{(rhombic)}}$.
- CThe transition of $S_{\text{(rhombic)}}$ to $S_{\text{(monoclinic)}}$ is exothermic.
- DThe transition of $S_{\text{(monoclinic)}}$ to $S_{\text{(rhombic)}}$ is endothermic.
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Similar Questions
Given that $C_{(g)} + 4H_{(g)} \longrightarrow CH_{4(g)}$,$\Delta H^{\circ} = -1665 \ kJ$. What is the bond energy per mole of $C-H$ bond?
The enthalpy changes for the following processes are listed below:
$Cl_{2(g)} \rightarrow 2Cl_{(g)}$ $242.3 \ kJ \ mol^{-1}$ $I_{2(g)} \rightarrow 2I_{(g)}$ $151.0 \ kJ \ mol^{-1}$ $ICl_{(g)} \rightarrow I_{(g)} + Cl_{(g)}$ $211.3 \ kJ \ mol^{-1}$ $I_{2(s)} \rightarrow I_{2(g)}$ $62.76 \ kJ \ mol^{-1}$
Given that the standard states for iodine and chlorine are $I_{2(s)}$ and $Cl_{2(g)}$,the standard enthalpy of formation for $ICl_{(g)}$ is : ............... $kJ \ mol^{-1}$
| $Cl_{2(g)} \rightarrow 2Cl_{(g)}$ | $242.3 \ kJ \ mol^{-1}$ |
| $I_{2(g)} \rightarrow 2I_{(g)}$ | $151.0 \ kJ \ mol^{-1}$ |
| $ICl_{(g)} \rightarrow I_{(g)} + Cl_{(g)}$ | $211.3 \ kJ \ mol^{-1}$ |
| $I_{2(s)} \rightarrow I_{2(g)}$ | $62.76 \ kJ \ mol^{-1}$ |
Given that the standard states for iodine and chlorine are $I_{2(s)}$ and $Cl_{2(g)}$,the standard enthalpy of formation for $ICl_{(g)}$ is : ............... $kJ \ mol^{-1}$
MediumAIEEE 2006
View SolutionThe $\Delta H_f^o$ for $CO_{2(g)}$,$CO_{(g)}$ and $H_2O_{(g)}$ are $-393.5$,$-110.5$ and $-241.8 \ kJ \ mol^{-1}$ respectively. The standard enthalpy change (in $kJ$) for the reaction $CO_{2(g)} + H_{2(g)} \to CO_{(g)} + H_2O_{(g)}$ is
MediumAIIMS 2013
View SolutionThe standard enthalpy of atomization of ethane according to the equation $C_2H_{6(g)} \rightarrow 2C_{(g)} + 6H_{(g)}$ is $622 \ kJ \ mol^{-1}$. If the standard mean $C-H$ bond dissociation enthalpy is $90 \ kJ \ mol^{-1}$,the standard mean dissociation enthalpy of the $C-C$ bond (in $kJ \ mol^{-1}$) is:
$C + \frac{1}{2} O_2 \to CO; \Delta H = -42 \ kJ$
$CO + \frac{1}{2} O_2 \to CO_2; \Delta H = -24 \ kJ$
The heat of formation of $CO_2$ is ..... $kJ$.
$CO + \frac{1}{2} O_2 \to CO_2; \Delta H = -24 \ kJ$
The heat of formation of $CO_2$ is ..... $kJ$.
Medium
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