Comment on the thermodynamic stability of NO(g), given: 1/2 N 2 (g) + 1/2 O 2 (g) → NO(g) ; ∆ r H ⊖ = 90 kJ mol –1 NO(g) + 1/2 O 2 (g) → NO 2 (g) ; ∆ r H ⊖ = –74 kJ mol –1

Question

Comment on the thermodynamic stability of NO(g), given: 1/2 N 2 (g) + 1/2 O 2 (g) → NO(g) ; ∆ r H ⊖ = 90 kJ mol –1 NO(g) + 1/2 O 2 (g) → NO 2 (g) ; ∆ r H ⊖ = –74 kJ mol –1, NO(g) is unstable, but it does not get converted to NO 2 (g), NO(g) is stable, so it gets converted to NO 2 (g), NO(g) is unstable, so it gets converted to NO 2 (g), NO(g) is stable, but it does not get converted to NO 2 (g)

MARKS App · Accepted Answer

Correct Option is : (C) NO(g) is unstable, so it gets converted to NO 2 (g)

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