Q.

Δf0H is positive for the compound

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a

HCl

b

NO

c

SO3

d

NH3

answer is B.

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Detailed Solution

12N2(g) + 12O2(g)  → NO(g), ∆H = +90 kJ/mole
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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Largest All India Test Series for JEE/NEET
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Best Books for NEET
How to Join IIT after 10th
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Δf0H is positive for the compound