10. The standard free energy of formation are 30.426 kJ/mol for trans-1,2-dichloroethene and22.112
問題詳情
10. The standard free energy of formation
are 30.426 kJ/mol for trans-1,2-dichloroethene and22.112 kJ/mol for cis-1,2-dichloroethane at 27℃. The molar ratio of trans and cis isomers atequilibrium at 27 ℃ is (A) 2:3, (B) 3:2, (C) 28:1, (D) 1:28, (E) 10:3.
