Ib Chemistry Hl May 2012 Paper 2 __full__ Jun 2026

Rate = ( k[A][B]^2 ) (overall order 3).

Confusing "first ionization energy" with "second ionization energy" and forgetting to multiply electron affinity values by the correct stoichiometric coefficients (e.g., for O²⁻, you need two electron affinity steps). Ib Chemistry Hl May 2012 Paper 2

“Compound C₄H₈O₂ gives IR peak at 1710 cm⁻¹ and NMR: triplet at 1.2 (3H), quartet at 2.3 (2H), singlet at 11.2 (1H). Identify it.” Rate = ( k[A][B]^2 ) (overall order 3)

Practice writing half-equations for Oxi dation and reduction without referencing data booklets. quartet at 2.3 (2H)