1.

Write the resonance structure for SO_(3), NO_(2) and NO_(3)^(-) .

Answer»

Solution :Resonance structure of `SO_(3)` :

Structure (IV) is hybrid. Total valence electron = 24In `SO_(3)` total electron= 8 bonding + 16 nonbonding = 24

NITROGEN dioxide `(NO)_(2)` molecule :
(I) (II) resonance structure and (III) is hybrid structure.
Total valence electron= Two O (12) + N of (5) = 17
Total electron in `NO_(2)` = 6 bonding + 11 non-bonding = 17
Nitrate Ion `(NO_(3)^(-)) `:

Total valence electron= N (5) +`O_(3)`(18) + 1 = 24
Total electron in `NO_(3)^(-)` = 8 FOUR BOND + 16 non-bonding= 24


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