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Correct order of hydration enthalpies...

Correct order of hydration enthalpies 

A

`Li^(+) gt Na^(+) gt Be^(2+) gt Mg^(2+)`

B

`Mg^(2+) gt Be^(2+) +Na^(+) gt Li^(2+)`

C

`Be^(2+) gt Mg^(2+) gt Li^(+) gt Na^(+)`

D

`Na^(+) gt Li^(+) gt Mg^(+) gt Be^(2+)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE EXERCISE
  1. The following are the statements about oxides of IIA elements i) Oxi...

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  2. Beryllium hydroxide dissolves in excess of alkli to give

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  3. Correct statements regarding diagnal relationship between belyllium an...

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  4. The decomposition temperature of BaCO(3) (A), MgCO(3) (B) and CaCO(3) ...

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  5. Weight percentage of silica in portland cement is

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  6. During the conversion of one mole of gypsum to one mole of plaster of ...

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  7. Match the following {:("LIST - I","LIST - II"),("A) Aqueous solution...

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  8. The basic character of oxides MgO, SrO, K(2)O, NiO, Cs(2)O increase in...

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  9. A burning strip of magnesium is introduced into a jar containing a gas...

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  10. The calcium concentration in plasma is regulated by which harmones

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  11. Correct matching about composition of portland cement is {:("List - ...

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  12. Bleaching powder is obtained by the reaction chlorine with

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  13. Be(OH)(2)+2HCl+2H(2)Orarr X  In the complex "X", oxidation state and...

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  14. Which of the following is unstable and can be kept only in the atmosph...

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  15. Wrong statement of the following is

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  16. A suspension of mangnesium hydroxide in water is called ----- and is u...

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  17. Alkaline earth metal having least melting point is

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  18. Correct order of hydration enthalpies

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  19. Which of the following is NOT correct ?

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  20. CaCO(3).MgCO(3)overset(Delta)rarrX+Y+Z

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