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Based on lattice energy and other consid...

Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point

A

LiCl

B

NaCl

C

KCl

D

RbCl

Text Solution

Verified by Experts

The correct Answer is:
B
Although lattice energy of LiCl higher than NaCl but LiCl is covalent in nature and NaCl ionic there after, the mp decreases as we move NaCl because the lattice energy decreases as a size of alkali metal atom increases (lattice energy `prop` mp of alkali metal halide)
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. Which of the following has smaller size

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  2. Sodium pyrophosphate is represented by which of the following formula

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  3. Based on lattice energy and other considerations which one of the foll...

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  4. Which of the following is the most electropositivite element?

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  5. Which of the following carbonate decompose on heating to evolve CO(2)?

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  6. When sodium chloride solution is electrolysed , the gas that is l...

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  7. Which of the following statements about LiCl and NaCl is correct ?

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  8. Which alkali methal is most meallic in character?

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  9. Consider the following abbreviations for hydrated alkali ions X=[Li(H(...

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  10. Which of the following is least thermally stable ?

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  11. Sodium carbonate is manufactured by Solvay process, the products that ...

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  12. When potassium dichromate crystal are heated with conc. HCl

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  13. A fire of lithium, sodium and potassium can be extinguished by

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

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  15. Aluminium reacts with caustic soda to form

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  16. Which series of reactions correctly represents chemical rections relat...

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  17. The useful by-products, obtained in the solvay process of manufacturin...

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  18. Molten sodium is used in nuclear reactors to

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  19. Electrolysis of molten sodium chloride leads to the formation of

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  20. Soda ash is

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