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antiseptic1488 [7]
3 years ago
7

How many equivalent resonance forms can be drawn for so2 without expanding octet on the sulfur atom? (sulfur is the central atom

.)how many equivalent resonance forms can be drawn for so2 without expanding octet on the sulfur atom? (sulfur is the central atom.)?

Chemistry
2 answers:
dalvyx [7]3 years ago
7 0

Answer:

Two equivalent resonance forms can be drawn

Explanation:

In Lewis structure, total valence electrons of constituting atoms are used to draw structure by obeying octet of all atoms and duet of hydrogen atoms.

Least electronegative atom (except hydrogen atom) are considered as central atom.

In SO_{2}, S is the least electronegative atom. Hence it is the central atom.

Number of valence electron of S is 6 and valence electron of O is 6.

So, total number of valence electrons in SO_{2} is 18.

By using this 18 electrons and obeying octet for S and O, two equivalent resonance forms can be drawn.

Structure of resonance forms has been given below.

jok3333 [9.3K]3 years ago
4 0
2 resonance structure. 
O=S⁺-O⁻ and O⁻-S⁺=O, angles between S and O are 120°, bond order is 1,5.
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