Which of the following molecules has the highest bond order?

Practice Questions

Q1
Which of the following molecules has the highest bond order?
  1. N2
  2. O2
  3. F2
  4. C2

Questions & Step-by-Step Solutions

Which of the following molecules has the highest bond order?
  • Step 1: Understand what bond order means. Bond order is a measure of the number of chemical bonds between a pair of atoms.
  • Step 2: Identify the molecules you are comparing. In this case, we are looking at N2 and possibly other molecules.
  • Step 3: Count the total number of bonding and antibonding electrons for each molecule. Bonding electrons help hold the atoms together, while antibonding electrons can weaken the bond.
  • Step 4: For N2, there are 10 bonding electrons and 2 antibonding electrons.
  • Step 5: Use the bond order formula: (Number of bonding electrons - Number of antibonding electrons) / 2.
  • Step 6: Plug in the numbers for N2: (10 - 2) / 2 = 8 / 2 = 4. However, this is incorrect; the correct bond order for N2 is 3, as it has 6 bonding electrons and 2 antibonding electrons.
  • Step 7: Compare the bond orders of N2 with the bond orders of other molecules to determine which has the highest bond order.
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