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NEETChemistryd and f Block Elements

Which element in the actinoid series exhibits an oxidation state of +5?

Options

  1. AThorium (Th)
  2. BProtactinium (Pa)
  3. CUranium (U)
  4. DNeptunium (Np)

Correct answer

B. Protactinium (Pa)

Step-by-step solution

Protactinium (Pa) exhibits an oxidation state of +5.

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