Acidic strength and properties of hydrogen halides

2024 Re-NEET 1 question

1. 1 The p-Block Elements
   Identify the incorrect statement from the following:
   A The acidic strength of HX (X = F, Cl, Br and I) follows the order: HF > HCl > HBr > HI. B Fluorine exhibits –1 oxidation state whereas other halogens exhibit +1, +3, +5 and +7 oxidation states also. C The enthalpy of dissociation of $F_2$ is smaller than that of $Cl_2$. D Fluorine is stronger oxidising agent than chlorine.
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