MCQ
Which is the correct order of electronegativities
- ✓$F > N < O > C$
- B$F > N > O > C$
- C$F < N < O < C$
- D$F > N > O < C$
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$N_2(g) + 3H_2(g) \to 2NH_3(g)$ is
$-\,92.38\,KJ$ at $298\,K$ . The internal energy change $\Delta U$ at $298\,K$ is.....$KJ$
