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

Which series of halides is more covalent: trihalides or pentahalides?

Options

  1. ATrihalides
  2. BPentahalides
  3. CThey have the same covalency
  4. DIt varies depending on the element

Correct answer

B. Pentahalides

Step-by-step solution

Pentahalides are more covalent than trihalides because pentahalides involve +5 oxidation state, which results in higher polarizing power and increased covalent character.

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