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The hydration enthalpies of alkali metal...

The hydration enthalpies of alkali metal ions decreases in ________ order.

A

`Li^+gtNa^+gtK^+gtRb^+gtCs^+`

B

`Cs^+gtRb^+gtK^+gtNa^+gtLi`

C

`Li^+gtRb^+gtK^+gtNa^+gtCs^+`

D

`Rb^+gtCs^+gtK^+gtNa^+gtLi`

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The correct Answer is:
A
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. The atomic and ionic radii of alkali metals on moving down the group.

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  2. Alkali elements exhibit an oxidation state of

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  3. The hydration enthalpies of alkali metal ions decreases in order.

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  4. The most electro positive element of the periodic table is

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  5. Consider the following statements 1. Alkali metals are soft. 2. ...

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  6. The alkali metals have low melting point. Which of the following alkal...

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  7. The reducing power of a metal depends on various factors. Suggest the ...

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  8. The order of decreasing ionisation enthalpy in alkali metals is

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  9. Which of the following is used in photoelectric cells ?

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  10. Metallic elements are described by their standard electrode potential,...

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  11. Which of the following are the correct reasons for anomalous behaviour...

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  12. ions are found in large proportions in biological fluids.

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  13. Which of the following ions are more responsible for transmission of n...

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  14. Spodumene is the silicate mineral of

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  15. Which of the following metals is most commonly used in photochemical c...

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  16. Which among the folJowing is the strongest reducing agent?

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  17. Why Cs and K are used as electrodes in photoelectric cells ?

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  18. Which among the following alkali metals exhibit the most metallic char...

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  19. The correct increasing order of density of alkali metals is

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  20. Alkaline earth metals belong to group of the periodic table.

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