Question

HL is stronger acid than HF?

Answer 1

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Yes HL is more stronger then HF because hydrogen ion is actuvely released in HL in any aqueous medium then from in HF.

The difference in Size play a key role two as it decreases ionization enthalpy + ∆h in short intermolecular attraction weakens more readily

Answer 2

Yes ,because The size of iodine is much bigger than fluorine ,and due to less interelctronic repulsions in iodine it can easily break bonds and release H+ ions. Moreover the bond length of HI is also greater than HF which means the bond between H and I will be broken easily.