問題詳情

26. Two bottles of gas are NO2(g) and Br2(g) with the same appearance. A chemistdesigned a variety of identification methods: I. wet test paper with starch/KI, II. addition of a small amount of NaCl solution, I. addition of a small amount of AgNO3solution, IV. addition of a small amount of water and then an appropriate amount of benzene, V. change the temperature Which methods can be used to distinguish NO2(g) from Br2(g)?
(A)I, III, IV
(B)II, III, IV
(C)I, I, I, IV
(D)I, I, II,V
(E)II, III, IV, V

參考答案

答案:E
難度:計算中-1
書單:沒有書單,新增