题目内容

下列对亚硝酸钠滴定法叙述错误的是

A. 加入溴化钾，可使重氮化反应速度减慢
B. 将滴定管尖端插人液面下，可避免亚硝酸的逸失
C. 《中国药典》采用永停滴定法指示终点
D. 加入盐酸可加快反应的速度
E. 重氮化反应的速度随温度升高而加快

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