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2.将分液漏斗中苯和液溴的混和液缓慢滴入试管中,使反应液保持微沸。 3.向玻璃管中滴入硝酸银溶液,有浅黄色沉淀;上移双孔硬纸板,则可见导管口有白雾。 4.通过分液漏斗向试管中加入蒸馏水,试
2. The mixture of benzene and liquid bromine in the separatory funnel was slowly dropped into the test tube to keep the reaction liquid slightly boiling. 3. Drop the silver nitrate solution into the glass tube with light yellow precipitate. Move the two-hole cardboard to see the white mouth of the catheter. 4. Add distilled water to the test tube through a separatory funnel.