Valence Bond Theory Quiz

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Questions and Answers

Which of the following is true about the valence bond theory?

  • A covalent bond is formed by the sharing of atomic orbitals. (correct)
  • A covalent bond is formed by the attraction between opposite charges.
  • A covalent bond is formed by the overlapping of ionic orbitals.
  • A covalent bond is formed by the transfer of electrons.

Which of the following is the correct order of overlapping of orbitals in terms of bond strength?

  • p-p > s-s > s-p
  • p-p > s-p > s-s (correct)
  • s-s > s-p > p-p
  • s-p > p-p > s-s

In which case does a covalent bond form due to s-s overlapping of atomic orbitals?

  • N2
  • O2
  • H2 (correct)
  • F2

Which of the following is the correct order of overlapping of orbitals in terms of bond strength?

<p>p-p &gt; s-p &gt; s-s (A)</p> Signup and view all the answers

Which of the following is true about sigma-bonds?

<p>They form due to co-axial or linear overlapping of atomic orbitals. (A)</p> Signup and view all the answers

In which case does a covalent bond form due to 2s-2p overlapping of atomic orbitals?

<p>When the 'n' value of the 2s orbital is less than the 'n' value of the 2p orbital. (A)</p> Signup and view all the answers

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