Chemistry · 2021
JEE Main · 26 February 2021, Shift 2 · Q54
The average S - F bond energy in kJ mol^-1 of SF_6 is \ \ \ \. (Rounded off to the nearest integer) [Given: The values of standard enthalpy of…
The average $\displaystyle \mathrm{S}-\mathrm{F}$ bond energy in $\displaystyle \mathrm{kJ} \mathrm{mol}^{-1}$ of $\displaystyle \mathrm{SF}_6$ is \_\_\_\_. (Rounded off to the nearest integer)
[Given : The values of standard enthalpy of formation of $\displaystyle \mathrm{SF}_6(\mathrm{~g}), \mathrm{S}(\mathrm{g})$ and $\displaystyle \mathrm{F}(\mathrm{g})$ are - $\displaystyle 1100$, $\displaystyle 275$ and $\displaystyle 80 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively.]
Official answer
309
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