Chemistry, asked by adeebaiqra, 11 months ago

Select the endothermic reaction:- (1)2H2+O2-->2H2O(2)N2+O2-->2NO(3)2NaOH+H2SO4-->Na2SO4+2H2O(4)3O2+C2H5OH-->2CO2+3H2O Also give reason for this.

Answers

Answered by hrn21agmailcom

Answer:

(2)

Explanation:

since Nitrogen is more stable, it requires more energy (heat) to participate in chemical reactions. It combines with Oxygen during lightning in the storms

Answered by pearldeep0773

Answer:N2 + O2 gives 2NO

Explanation:because in this reaction No is formed which has triple bond so more energy is required to form triple bond so this is endothermi reaction....

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