Q. 9 Predict the endothermic
reaction among the following:
(a) N2 + 02 - 2NO
(b) C + 02 - CO2
(C) 2Mg + 02 - 2Mgo
(d) Cao + H20 - Ca(OH)2
Answers
Answered by
0
Answer:
The first reaction,i.e.,
(a) N₂+O₂→2NO is an endothermic reaction.
Whereas, (b), and, (c) are exothermic combustion reactions, and (d) is an another exothermic reaction of quicklime with water.
Explanation:
The triple bond between two N atoms in N₂ is very strong due to small size and thus has a high dissociation energy. Due to this a large amount of energy is required to break this bond and thus the oxidation of N₂ is endothermic
Answered by
0
Answer:
(a) is right answer
N2+02-2NO
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