question_answer

                In which of the following exothermic reactions, the heat liberated per mole is the highest?     JEE Main Online Paper ( Held On 25  April 2013 )

A)                 \[CaO+{{H}_{2}}O\to Ca{{(OH)}_{2}}\]

B)                                        \[\operatorname{SrO}+{{\operatorname{H}}_{2}}\operatorname{O}\to \operatorname{Sr}{{(\operatorname{OH})}_{2}}\]

C)                                        \[\operatorname{Ba}\operatorname{O}+{{\operatorname{H}}_{2}}\operatorname{O}\to \operatorname{B}a{{(\operatorname{OH})}_{2}}\]

D)                                        \[\operatorname{M}g\operatorname{O}+{{\operatorname{H}}_{2}}\operatorname{O}\to \operatorname{Mg}{{(\operatorname{OH})}_{2}}\]