MCQ
Dumas method is used for estimation of :
- ACarbon
- ✓Nitrogen
- COxygen
- DSulphur
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Product $(A)$ of the reaction is
| List $I$ (molecules/ions) | List $II$ (No. of lone pairs of $e ^{-}$ on central atom) |
| $A$ $IF_7$ | $I$ Three |
| $B$ $ICl^{-}_4$ | $II$ One |
| $C$ $XeF_6$ | $III$ Two |
| $D$ $XeF_2$ | $IV$ Zero |
Choose the correct answer from the options given below:
$O _{2}^{+}, O _{2}, O _{2}^{-}, O _{2}^{2-}$
For increasing bond order the correct option is ..... .