Question:
Which of the following oxyacids of chlorine does not contain lone pair of electrons on chlorine atom?
Which of the following oxyacids of chlorine does not contain lone pair of electrons on chlorine atom?
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The number of lone pairs on chlorine in oxyacids depends on the oxidation state of chlorine. In higher oxidation states, chlorine typically does not have lone pairs.
Updated On: Jan 26, 2026
- HOClO\(_2\)
- HOCl
- HOClO\(_3\)
- HOClO
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the structure of oxyacids.
Oxyacids of chlorine consist of chlorine bonded to oxygen atoms, with hydrogen atoms also bonded to oxygen. The number of lone pairs on chlorine depends on the oxidation state of chlorine in the acid. Step 2: Analyzing the options.
(A) HOClO\(_2\): Chlorine in HOClO\(_2\) has lone pairs because chlorine has a low oxidation state.
(B) HOCl: Chlorine in HOCl has lone pairs as chlorine is in a lower oxidation state.
(C) HOClO\(_3\): Chlorine in HOClO\(_3\) has no lone pairs, as chlorine is in a high oxidation state and forms bonds with three oxygens.
(D) HOClO: Chlorine in HOClO has lone pairs as chlorine is in a low oxidation state.
Step 3: Conclusion.
The correct answer is (C) HOClO\(_3\) because chlorine does not have lone pairs in this acid.
Oxyacids of chlorine consist of chlorine bonded to oxygen atoms, with hydrogen atoms also bonded to oxygen. The number of lone pairs on chlorine depends on the oxidation state of chlorine in the acid. Step 2: Analyzing the options.
(A) HOClO\(_2\): Chlorine in HOClO\(_2\) has lone pairs because chlorine has a low oxidation state.
(B) HOCl: Chlorine in HOCl has lone pairs as chlorine is in a lower oxidation state.
(C) HOClO\(_3\): Chlorine in HOClO\(_3\) has no lone pairs, as chlorine is in a high oxidation state and forms bonds with three oxygens.
(D) HOClO: Chlorine in HOClO has lone pairs as chlorine is in a low oxidation state.
Step 3: Conclusion.
The correct answer is (C) HOClO\(_3\) because chlorine does not have lone pairs in this acid.
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