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Which of the following is the wrong statement? (1) Ozone is violet-black in solid state (2) Ozone is diamagnetic gas (3) ONCl and ONO are not isoelectronic (4) O3 molecule is bent

1. Ozone is violet-black in solid state
2. Ozone is diamagnetic gas
3. ONCl and ONO are not isoelectronic
4. O3 molecule is bent

Correct answer: Ozone is violet-black in solid state

Solution

The statement that ozone is violet-black in solid state is incorrect because solid ozone actually appears as a deep blue color, not violet-black.

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