水溶液中的离子平衡是中学化学化学反应原理中的重要组成部分,也是历年高考命题的热门考点,为更好地学习这一内容,下面将其常见考点总结如下.考点一弱电解质的电离平衡例1下列叙述正确的是()(A)盐酸中滴加氨水至中性,溶液中溶质为氯化铵(B)稀醋酸加水稀释,醋酸电离程度增大,溶液的p H减小(C)饱和石灰水中加入少量Ca O,恢复至室温后溶液的p H不变(D)沸水中滴加适量饱和Fe Cl3溶液,形成带电的胶体,导 Ion balance in aqueous solution is an important part of the chemical reaction of high school chemistry theory, but also a hot test site over the years college entrance examination, in order to better learn this content, the following common test sites are summarized as follows. 1 The following statement is correct () (A) hydrochloric acid was added ammonia to neutral, the solution of ammonium chloride (B) dilute acetic acid diluted with water, the degree of acetic acid ionization increases, the solution pH decreases (C) Saturated lime water by adding a small amount of Ca, after returning to room temperature, the solution of pH constant (D) in boiling water, add a proper amount of saturated FeCl3 solution to form a charged colloid, guide