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

Why do the elements in pentahalides have more polarizing power?

Options

  1. AThey have smaller atomic sizes
  2. BThey have lower electronegativity
  3. CThey have a higher ionization energy
  4. DThey have greater nuclear charge

Correct answer

D. They have greater nuclear charge

Step-by-step solution

Elements in pentahalides have more polarizing power because of their higher +5 oxidation state and greater nuclear charge.

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