A) \[HCl\]
B) \[HF\]
C) \[HI\]
D) \[HBr\]
Correct Answer: B
Solution :
Hydrofluoric acid (HF) reacts with glass sodium and calcium silicate and greasy fluorosilicates are formed. It is called etching of glass, so HF is not stored in glass vessels. \[N{{a}_{2}}Si{{O}_{3}}+6HF\xrightarrow{{}}N{{a}_{2}}Si{{F}_{6}}+3{{H}_{2}}O\] \[C{{a}_{2}}Si{{O}_{3}}+6HF\xrightarrow{{}}CaSi{{F}_{6}}+3{{H}_{2}}O\]
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