Question

1．胆固醇是人体必需的生物活性物质,分子式为C25H45O.一种胆固醇酯是液晶物质,分子式为C32H49O2.生成这种胆

Answer 1

1.C32H49O2 +H2O---------C32H51O3

生成这种胆固醇酯的酸是:C(32-25)H(51-45)O(3-1) =C7H6O2

所以选B

2.C3H8O CH3CH2CH2OH CH3CH(OH)CH3

C4H8O2 CH3CH2CH2COOH CH3CH(COOH)CH3

生成的酯有:4种