Air contain 99%N_(2) and O_(2) gases. Then why don't they combine to form NO under the standard conditions? Given that the standard free energy of formation ofNO(g) is 86.7 kJ mol^(-1) .

Air contain 99%N_(2) and O_(2) gases. Then why don't they combine to f

1.	Air contain 99%N_(2) and O_(2) gases. Then why don't they combine to form NO under the standard conditions? Given that the standard free energy of formation ofNO(g) is 86.7 kJ mol^(-1) .
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/standard-632909" style="font-weight:bold;" target="_blank" title="Click to know more about STANDARD">STANDARD</a> free energy of <a href="https://interviewquestions.tuteehub.com/tag/formation-996531" style="font-weight:bold;" target="_blank" title="Click to know more about FORMATION">FORMATION</a> `( Delta_(f)G^(@))` for the <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a> `(1)/(2)N_(2)(g)+(1)/(2)O_(2)(g) rarr NO(g0` is <a href="https://interviewquestions.tuteehub.com/tag/positive-1159908" style="font-weight:bold;" target="_blank" title="Click to know more about POSITIVE">POSITIVE</a> ( equal to `+86.7 kJ mol^(-1))`. Hence, the reaction isnon-spontaneous under the standard <a href="https://interviewquestions.tuteehub.com/tag/conditions-424384" style="font-weight:bold;" target="_blank" title="Click to know more about CONDITIONS">CONDITIONS</a>.</body></html>