Which of the hydracids of halogens reacts with glass ? – InterviewSolution

1.	Which of the hydracids of halogens reacts with glass ?
Answer» Solution :HF , FLUORIDE ION has a strong affinity for Si and hence HF attacks SILICATES and silica PRESENT in GLASS `(Na_(2)SiO_(3) + 6 HF rarr Na_(2)SiF_(6) + 3 H_(2)O and SiO_(2) + 4HF rarr SiF_(4) + 2H_(2)O)`

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