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Explain why HF is not stored in glass co...

Explain why HF is not stored in glass containers.

Text Solution

Verified by Experts

`SiO_2` present in glass reacts readily with hydrofluoric acid (HF) to form `H_2 SiF_6` which is soluble in nature. `
`SiO_2 + 6HF to underset("soluble")(H_2SiF_6) + 2H_2O`
Hence, HF is not stored in glass containers.
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS
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  2. Why does Ga (+1) undergo disproportionation reaction?

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  4. Discuss the pattern of variation in the oxidation states of B to Tl.

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  7. BF3 is a weaker Lewis acid than BCl3, even though F is more electroneg...

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  8. Sn(II) is a reducing agent but Pb(II) is not-why?

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  9. CO is stable but SiO is not-why?

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  10. [SiF6]^(2-) is known but [SiCl6]^(2-) is not. Why?

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  11. Explain why C Cl4 is resistant to hydrolysis but SiCl4 undergo ready h...

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  12. Discuss the pattern of variation in the oxidation states of C to Pb.

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  16. No visible reaction is observed when Al metal is left in contact with ...

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  17. Thermite reaction cannot be stopped by pouring water. Explain.

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  18. Why was lead sheets used on the floors in the Hanging Gardens of Babyl...

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  19. Explain why HF is not stored in glass containers.

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  20. Explain why BF3 exists whereas BH3 does not.

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