Multiple choice

Which of the following statements is/are TRUE?

  1. The first ionisation enthalpies of the third transition series are lower than those of the first and second transition series.
  2. Nickel (II) compounds are thermodynamically more stable than platinum (II) compounds.
  3. Manganese is more stable in the +3 state than in the +2 state.

  1. 1 only

  2. 2 only

  3. 3 only

  4. 1 and 2

  5. 2 and 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sum of the first and second ionisation enthalpies (IE1 + IE2) for nickel is lesser as compared to that of platinum (Pt). 

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