1. 2. 3. 4. 5. 6. The average S - F bond energy in kJ mol of SF6 is............ (Rounded off to the nearest integer) [Given: The values of standard enthalpy of formation of SF6(g), S(g) and F(g) are - 1100, 275 and 80 kJ mol respectively.] The number of octahedral voids per lattice site in a lattice is............. (Rounded off to the nearest integer) In mildly alkaline medium, thiosulphate ion is oxidized by MnO to "A". The oxidation state of sulphur in 'A' is............... When 12.2g of benzoic acid is dissolved in 100g of water, the freezing point of solution was found to be -0.93C [K, (H2O= 1.86K kgmol]. The number (n) of benzoic acid molecules associated (assuming 100% association) is..........., If the activation energy of a reaction is 80.9 kJ mol , the fraction of molecules at 700K, having enough energy to react to form products, is ex. The value of x is........... (Rounded-off to the nearest integer). [use R = 8.31 J K 1 mol ] A ball weighing 10g is moving with a velocity of 90 ms 1. If the uncertainty in its velocity is 5%, then the uncertainty in its position is............ 10 33 m. (Rounded off to the nearest integer) [Given: h = 6.63 x 10 34 Js]