Question:
Which of the following is the wrong statement?
Which of the following is the wrong statement?
Updated On: Feb 4, 2026
- ONCl and $ONO^-$ are not isoelectronic
- $O_3$ molecule is bent
- Ozone is violet-black in solid state
- Ozone is diamagnetic gas
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The Correct Option is C
Solution and Explanation
(a) \(ONCl= 8+ 7+ 17= 32e^-\) \(ONO = 8 + 7 + 8 + 1 = 24e^-\) (correct)
(b) Central O-atom is \(sp^2\)-hybridised with 1 lone pair, so bent shape (correct).
(c) In solid state, ozone is violet-black. Ozone does not exist in solid state, thus incorrect.
(d) \(0_3\) has no unpaired electrons, so diamagnetic (correct).
Hence, the correct option is (C): Ozone is violet-black in solid state.
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Concepts Used:
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- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
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