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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

Which hydrogen halide forms the least stable hydrohalic acid among HF, HCl, HBr, and HI?

Options

  1. AHF
  2. BHCl
  3. CHBr
  4. DHI

Correct answer

D. HI

Step-by-step solution

The stability of hydrohalic acids decreases down the group: HF < HCl < HBr < HI.

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