Question

20.
2 g Ba(OH), is mixed with 1 g NH,CI. The mixture is stirred with a glass rod. If in the same activity,
HCl acid is added in place of NH CI and the mixture is stirred with a glass rod, t' he n which of the
following statement(s) is/are correct about this activity?
i) In the first case, the tube will be hot to touch.
ii) In the second case, the tube will be hot to touch.
iii) When HCl is added in place of NH CI, the reaction is exothermic.
iv) When NH Cl is added to Ba(OH), the reaction is endothermic.​

Answer 1

Answer:

leaving the first option all the other options are correct

Explanation:

since the reaction of barium hydroxide is endothermic with ammonium chloride which is another base but with hydrochloric acid,the reaction is exothermic