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which of the following has the lowest me...

which of the following has the lowest melting point ?

A

Li

B

Na

C

K

D

Cs

Text Solution

Verified by Experts

The correct Answer is:
D
Due to the weakest metallic bonding in Cs.
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CENGAGE CHEMISTRY ENGLISH-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Single Correct
  1. When sodium is dropped in smal amount of water it catches fire. Whih o...

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  2. Among LiCl, RbCl, BeCl2, MgCl2, the compounds with greatest and least ...

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  3. which of the following compounds on reaction with NaOH and H(2)O(2)...

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  4. stable oxide is obtained by heating the carbonate of the elements

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  5. Ease with which hydrides are formed form Li to Cs:

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  6. For the preparation of sodium thiosulphate by "Spring's reaction', the...

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  7. Li(2)SO(4) is not isomorphous with sodium sulphate:

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  8. Prefix 'alkali' for alkali metals denotes:

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  9. The chloride that can be extracted with ether is

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  10. Which of the following has the lowest melting point ?

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  11. On exposure to air, alkali metals get tarnished due to formation of ox...

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  12. In view of their low ionisation energies, the alkali metals are

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  13. which of the following has the lowest melting point ?

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  14. When sodium is treated with sufficient oxygen/air, the product obtaine...

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  15. The products of electrolysis of concentrated common salt solution are

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  16. Elements in the first column of the periodic table are called alkali m...

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  17. One of the natural minerals of sodium is tincal. Its formula is

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  18. Na(2)CO(3)+Fe(2)O(3)rarr A+CO(2), what is A in the reaction ?

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

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  20. The principal products obtained on heating iodine with cold and concen...

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