Statement I: The formal charges of the three oxygen atoms in O₃ are 0, -1, +1.
Statement II : The sum of formal charges of all atoms in a molecule is zero.

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Statement I and Statement II are true.

Statement I is false and Statement II is true.

Statement I is true and statement II is false.

Statement I and Statement II are false.

answer is A.

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Detailed Solution

Formal charge = Number of electrons in free state - Electrons of lone pairs - Number of bonds
Formal charge on (1) Oxygen = 6 - 4 - 2 = 0
Formal charge on (2) Oxygen = 6 - 2- 3 = +1
Formal charge on (3) Oxygen = 6 - 6 - 1 = -1
I and II are true

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