In formation of a Type II Binary Compound, the metal atom present is<span>
NOT</span> found in either Group 1 or Group 2 on the periodic table. For the choices, Ba is under Group 2 on the periodic table, which makes it the atom not involved in formation of type II compounds. The answer is B.
The mass will stay the same because of the conservation of mass
First its ... higher energy of reactants , higher energy of products & you do the same with the lower ones than you do transition state
