MCQ
Which of the following is the most basic oxide ?
- A$SeO_2$
- B$Al_2O_3$
- C$Sb_2O_3$
- ✓$Bi_2O_3$
So the basic nature is
$B i_{2} O_{3}>S b_{2} O_{3}>A l_{2} O_{3}>S e O_{2}$
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$(i)\, N_2 + 2O_2 \to 2NO_2\,\,\, \Delta H = 67.9\,kJ$
$(ii)\, N_2 + 2O_2 \to N_2O_4\,\,\, \Delta H = 9.3\,kJ$
......$kJ$