Question

1.
Select the endothermic reaction :-
(1) 2H, + 0,2H,0
(2) N, + 0, + 2NO
(3) 2NaOH + H,SO, → Na, SO4 + 2H,0
(4) 30, + C,H,OH → 2C0, + 3H2O​

Answer 1

Answer:

option d)

because in this reaction the heat is absorbed. the reaction which absorbs heat energy is none as endothermic reaction.