Multiple choice

Which of the following statements is INCORRECT?

  1. Pyrolusite is an ore of manganese.

  2. Manganese is more stable in +3 state than in +2 state.

  3. Mn(II) ion shows maximum paramagnetic character among bivalent ions of first transition series.

  4. Mn shows the greatest variation in possible oxidation numbers among 3d series elements.

  5. Mn is in zero oxidation state in Mn2(CO)10.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Manganese is more stable in the +2 state than in +3 state.

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