Which one of the following statements is correct?

  • A
    Hybrid orbitals do not form $\sigma$ bonds
  • B
    Lateral overlap of $p$-orbitals or $p$- and $d$-orbitals produces $\pi$-bonds
  • C
    The strength of bonds follows the order $\sigma_{p-p} < \sigma_{s-s} < \pi_{p-p}$
  • D
    $s$-orbitals do not form $\sigma$ bonds

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