26. Two bottles of gas are NO2(g) and Br2(g) with the same appearance. A chemist designed a variety of identification methods:
I. wet test paper with starch/KI,
II. addition of a small amount of NaCl solution,
III. 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, II, III, IV
(D) I, II, III,V
(E) II, III, IV, V
詳解 (共 1 筆)
未解鎖
兩瓶氣體分別是外觀相同的NO2(g)和B...
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