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For alkali metals, which one of the foll...

For alkali metals, which one of the following trends is incorrect ?

A

Hydration energy : Li `gt` Na `gt` K `gt` rb

B

Ionization energy : Li `gt` Na `gt` K `gt` Rb

C

Density : Li `gt` Na `gt` K `gt` Rb

D

Atomic size : Li `lt` Na `lt` K `lt` Rb.

Text Solution

Verified by Experts

The correct Answer is:
C

The density of K is lower than that of Na. Therefore, trend C is in correct.
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DINESH PUBLICATION-THE ALKALI METALS-RQ
  1. Which of the following on thermal decomposition yields a basic as well...

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  2. PbO(2) is

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  3. For alkali metals, which one of the following trends is incorrect ?

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  4. Which of the following sets will have highest hydration energy and hig...

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  5. In the case of alkali metals, the covalent character decreases in the ...

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  6. Which of the following compound is most stable ?

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  7. The increasing order of the density of the alkali metal is

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  8. The correct order of reducing character of alkali metals is

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  9. In organic reaction, metallic sodium in liquid ammonia behaves as

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  10. The alklali halide which is soluble in pyridine is

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  11. The products obtained on heating LiNO(3) will be

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  12. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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  13. Which of the following alkali metals form only, the normal oxide, M(2)...

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  14. The reaction between sodium and water can be made less vigorous by

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  15. Among the following compounds, the one that gets hydrolysed to form me...

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  16. In the replacement reaction rarrC-I+MF rarr rarr C-F+MI The react...

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  17. Alkali metals have negative reduction potential and hence they behave ...

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  18. Which of the following statements is false regarding alkali metals

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  19. In solvay process of manufacture of sodium carbonate, the by product i...

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  20. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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