Based on hard-soft acid-base theory should the following reaction be favorable in the forward or the reverse direction. (C2H5)2OB(CH3)3+(C2H5)2SBF3(C2H5)2SB(CH3)3+(C2H5)2OBF3 Circle the correct answer. Which is the stronger acid of each pair? NH3 or PH3 H2SO3 or H2SO4 HBrO3 or HIO3 Which is the strongest base with the relatively large acid trimethylboron? Pyridine 4 Methylpyridine 2 Methylpyridine