Question

Calculate the formal charge of o3 in each oxygen atom

Answer 1

Answer:

-1,0,+1

Explanation:

formal charge = valence electron - bond pair - 2 (lone pair)

for first O atom Formal charge = 6-(1)-2(3) = -1

second O atom = 6-(3)-2(1) = +1

third O atom = 6-(2)-2(2) = 0

Answer 2

Answer:

Formal Charge on an atom: V - L - 1/2 x S

where, V = No. of valence electrons in free atom

L=No. of nonbonded electrons

S = No. of shared electrons (that is no. of bonded atoms)

therefore, for O3, V = 6, L = 6, S = 2

formal charge on O3 = 6-6-1/2x2 = -1

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