MHT CET 2026 Chemistry question
What is the oxidation state of chlorine in its weakest oxoacid?
Answer: (A)
Solution
The oxoacids of chlorine are HOCl (hypochlorous, Cl = +1), (chlorous, +3), (chloric, +5) and (perchloric, +7). Acid strength increases with the oxidation state of Cl (more oxygen atoms stabilise the conjugate base through resonance and the inductive effect), so the
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