The bond energies of H-H, X-X and H-X are `104 K.cal, 38 K.cal` and `138 K.Cal` respectively the electron egativity of 'X' is `[sqrt(67) = 8.18]`

The bond energies of H - H, X - X and H - X are 104 K.Cal, 38K.Cal and 138 K.Cal respectively the electronegativity of 'X' is [sqrt(67) = 8.18]

The heat of formation of ethane is -19.46 kcal . Bond enegries of H-H, C -H and C- C bonds are 104.18, 99.0 and 80.0 kcal , respectively. Calculate the heat of atomisation of graphite.

The heat of formation of ethane is -19.46 kcal . Bond enegries of H-H, C -H and C- C bonds are 104.18, 99.0 and 80.0 kcal , respectively. Calculate the heat of atomisation of graphite.

Bond energy H-H,F-F and H-F bonds are 104, 38 and 135 Kcal "mol"^(-1) , respectively. The resonance energy in the H-F molecule will be

Bond energies of H_(2),Cl_(2) and HCl are respectively "104, 58 and 103 k cal mol"^(-1) . Calculate Pauling's electronegativity of chlorine.

The bond energy of H_(2) is 104.3 k.cal mol^(-1) . It means that

H-H, X-X and H-X bond energies are 104 Kcal//"mole" 60 Kcal//"mole" and 101kcal//"mole" . Assuming the electronegativity of hydrogen to be 2.1 the electronegativity of unknown element X is (sqrt(19) = 4.36)

H-H, X-X and H-X bond energies are 104 Kcal/mole 60Kcal/mole and 101Kcal/ mole. Assuming the electronegativity of hydrogen to be 2.1 the electronegativity of unkonwn element X is (sqrt(19)= 4.36)