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When NaOH crystals are left in open air,...

When `NaOH` crystals are left in open air, they acquire a fluid layer around each crystal as

A

They start melting

B

They absorb moisture from air

C

They react with air to form a liquid compound

D

They absorb `O_(2)` from air

Text Solution

Verified by Experts

The correct Answer is:
B
`NaOH` is a deliquescent white crystalline solide. It absorbs moisture from the atmosphere.
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A2Z-S BLOCK ELEMENTS ( GROUP 13 - 14)-Compound Of Alkali Metals
  1. In which of the following precesses, fused sodium hydroxide is electro...

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  2. Which of the following is neither deliquescent nor efflorscent and is ...

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  3. In the Castner's process for the extration of sodium, the anode is mad...

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  4. In Down's cell (for production of sodium), graphite anode is used beca...

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  5. At higher temperature sodium metal reacts with alumina to give a sodiu...

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  6. Sodium carbonate can be manufactured by Solvay's process but potassium...

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  7. What products are formed during the electrolysis of a of a concentrat...

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  8. Causticisation process is used for the preparation of

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  9. When NaOH crystals are left in open air, they acquire a fluid layer ar...

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  10. Which of the following is true ?

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  11. Based on lattice energy and other considerations, which one of the fol...

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  12. When washing soda is heated.

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  13. A metal M reacts with N(2) to give a compound 'A'(M(3)N). 'A' on heati...

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  14. When CO is heated with NaOH under pressure, we get

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  15. Which one of the following salts gives aqueous solution which is weakl...

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  16. When dry ammonia gas is passed over heated sodium (out of contact of a...

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  17. Sodium carbonate is prepared by :

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  18. Certain characteristics lithium differ from those of other alkali meta...

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  19. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  20. On commercial scale, sodium hydroxide is prepared by :

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