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ChemistryNEET 2021Group 17 and 18: halogens, noble gases

The p-Block Elements

Statement I: Acid strength increases in the order HF ≪ HCl ≪ HBr ≪ HI.

Statement II: As the size of the elements F, Cl, Br, I increases down the group, the bond strength of HF, HCl, HBr and HI decreases and so the acid strength increases.

In the light of the above statements, choose the correct answer from the options given below:

  1. A.Both Statement I and Statement II are true✓
  2. B.Both Statement I and Statement II are false
  3. C.Statement I is correct but Statement II is false
  4. D.Statement I is incorrect but Statement II is true

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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