MDCAT Chemistry MCQ #990

Which atomic structure parameter determines the feasibility of a pericyclic reaction's transition state?

MDCAT Chemistry MCQ #990

  1. Question 1

    Q1. Which atomic structure parameter determines the feasibility of a pericyclic reaction's transition state?

    • A) Number of nodes in molecular orbitals
    • B) Electron distribution in HOMO and LUMO
    • C) Valence electron count of the reacting species
    • D) Spin multiplicity of the transition state

    Answer: Spin multiplicity of the transition state

    Explanation: Conservation of spin multiplicity is required. Molecular orbitals and electron count influence but aren't primary factors.