MCQ
Electronic configuration of $C$ is
- ✓$1{s^2},2{s^2}2{p^2}$
- B$1{s^2},2{s^2}2{p^3}$
- C$1{s^2},2{s^2}$
- D$1{s^2},2{s^2}2{p^6}$
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$O(g) + e^- \to O^-(g); \Delta H = - 142 \,kJ \,mol^{-1}$
$O^-(g) + e \to O^{2-} (g); \Delta H = 844\, kJ \,mol^{-1}$
This is because
|
List$-I$ (Oxide) |
List$-II$ (Nature) |
| $(A)$ $Cl _{2} O _{7}$ | $(I)$ Amphoteric |
| $(B)$ $Na _{2} O$ | $(II)$ Basic |
| $(C)$ $Al _{2} O _{3}$ | $(III)$ Neutral |
| $(D)$ $N _{2} O$ | $(IV)$ Acidic |
Choose the correct answer from the options given below
