The standard enthalpy of formation of NH_2(g) id -46 KJ mol^-1.The standard enthalpy of formation of H_2O(g) is -242 KJ middot mol^-1. The enthalpy of reaction is 906 kl. The standard enthalpy of formation of NO(g)is a. -754.5 kJ middot mol^-1 b. -362 kJ middot mol^-1 c. -196.5 kJ middot mol^-1 d. -90.5 k middot J-mol^-1 e. +90.5 kJ middot mol^- 1 f. +182.5 kJ middot mol^-1 g.+317 kJ middot mol^-1 h. +362 kJ middot mol^-1 i. +409 kJ middot mol^-1 j.+730 kJ middot mol^-1 k. None of the above, the correct enthalpy of formation is__________ The percent ionic character is given by the equation % ionic character = 100% {1 – exp[(-1/4)(x_B- x_A)^2]}) Among following bonds, the one with the highest ionic character is: a. Cr-O b. Hg-O c. Mg-O d. Ni-O e. P-O g. Sn-O h. W-O