网址:http://m.1010jiajiao.com/timu_id_2893089[举报]
下列反应中,属于加成反应的是
A.CH2Cl2+Cl2→CHCl3+HCl
B.2CH3CH2OH +2Na →2CH3CH2ONa +H2↑
C.
D.
B.2CH3CH2OH +2Na →2CH3CH2ONa+H2↑