The average S-F bond energy in kJ of SFâis ________ molâ»Âč (Rounded off to the nearest integer)
[Given : The values of standard enthalpy of formation of SFâ (g),S(g)and F(g) are)1100, 275 and 80 kJ molâ»Âč respectively. ]
A) 592
B) 689
C) 741
D) 825