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p- Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryp- Block Elements1 Mark
Question
Why is HF weaker acid than HCl?
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Answer

HCl is stronger acid than HF in aqueous medium because with increase in H-X bond length, bond dissociation energy decreases and $ H^{+} $ ion is easily produced.

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