The value of standard enthalpy of formation of SF6(g),S(g)andF(g)are−1100,275,80kJ/mol respectively. The average bond energy of SF6 (in kJ/mol) is
(Give your answer upto two decimal points)
Open in App
Solution
SF6(g)→S(g)+6F(g) ΔHof=Hofproducts−Hofreactants ΔHof=(275+80×6)−(−1100) ΔHof=1855kJ/mol
The average bond energy in SF6 will be = 1855kJ/mol6=309.16kJ/mol