RE-NEET 2024 Chemistry Halogens MCQ Question
Identify the incorrect statement from the following:
The acidic strength of HX (X = F, Cl, Br and I) follows the order: HF > HCl > HBr > HI.
Fluorine exhibit oxidation state whereas other halogens exhibit +1, +3, +5 and +7 oxidation states also.
The enthalpy of dissociation of F₂ is smaller than that of Cl₂.
Fluorine is stronger oxidising agent than chlorine.
Correct Answer
Detailed Explanation
The correct order of acidic strength is HI > HBr > HCl > HF. HF is the weakest acid among the hydrogen halides due to strong hydrogen bonding.
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