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Which one of the following reacts with g...

Which one of the following reacts with glass ?

A

`H_2SO_4`

B

HF

C

`HNO_3`

D

`K_2Cr_2O_7`

Text Solution

Verified by Experts

The correct Answer is:
B
HF(aq) reacts with glass. Ordinary glass is a mixture of sodium silicate and calcium silicate. HF reacts with these silicates to form soluble hexafluoride
`Na_2SiO_3(s)+6HF(aq) to Na_2[SiF_6](aq)+3 H_2O(l)`
`CaSiO_3(s) + 6HF(aq) to Ca[SiF_6](aq) + 3H_2O(l) `
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DINESH PUBLICATION-THE HALOGEN FAMILY-REVISION
  1. Which statement is correct about halogens ?

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  2. Which has the highest molar heat of vaporisation?

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  3. Which one of the following reacts with glass ?

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  4. A 500 g toothpaste sample has 0.2 g fluoride concentration. What is th...

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  5. The type of bonding in HCl molecule is

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  6. Which of the following bonds will be most polar?

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  7. Elements of which of the following groups will form anions most readil...

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  8. The strongest hydrogen bonding exists in

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  9. When chlorine is passed over dry slaked lime at room tempreture, the m...

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  10. In the manufacture of bromine from sea water the mother liquor contain...

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  11. Which halogen can be purified by sublimation ?

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  12. Oxidation of thisulphate (S(2)O(3)^(2-)) ion by iodine gives

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  13. Fluorine is a better oxidising agent than Br2. It is due to

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  14. When cold NaOH reacts with Cl(2) which of the following is formed

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  15. Hydrogens bonding does not play any role in boiling of

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  16. Which of the following species has four lone..

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  17. Amongst NO3^(-), AsO3^(3-), CO3^(2-), ClO3^(-), SO3^(2-) and BO3^(3-) ...

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  18. Which of the following set has the strongest tendency to form anions?

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  19. Which of the following sequence represents the correct increasing orde...

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  20. The correct sequence of arrangement of the following compounds in orde...

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