Multiple choice

Which of the following statements are true regarding transition elements?

  1. Osmium is the densest transition metal.
  2. All the elements of 3d series are good reducing agents.
  3. Highest oxidation state shown by any transition element is + 7.
  4. The reactivity of transition elements decreases with the increase in their atomic number.

  1. 1 and 2

  2. 1 and 3

  3. 2 and 3

  4. 2 and 4

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

All the elements of 3d series are good reducing agents except copper. Highest oxidation state shown by any transition element is +8 (Ru in 4d series and Os in 5d series).

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