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Be((g))rarrBe((g))^(+), DeltaH= x kj/mo...

`Be_((g))rarrBe_((g))^(+), DeltaH=` x kj/mol. In the reaction `Be_((g)) rarr Be_((g))^(+2), DeltaH` is approximately in kj/mol

A

2x

B

3x

C

x

D

1.5 x

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The correct Answer is:
B
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AAKASH SERIES-REVISION EXERCISE -ALKALI EARTH METALS
  1. Alkaline earth metal compounds are less soluble in water than the corr...

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  2. Which of the following salts becomes plaster hydrated ?

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  3. Be((g))rarrBe((g))^(+), DeltaH= x kj/mol. In the reaction Be((g)) rar...

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  4. Calcium carbonate is available in nature in the form of

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  5. The first ionization energies of alkaline earth metals are higher than...

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  6. The following are the statements regarding polarisng power of IIA grou...

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  7. Which of the following is true i) Be is not affected by dry air ...

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  8. The decreasing order of second ionisation potential of K, Ca, Ba is

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  9. Acetylide among the following is

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  10. The ion having highest mobility in aqueous solution is

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

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  12. X and Y are metal nitrates. X on heating liberates O2 only but Y on h...

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  13. Which of the following crystalline substance has the highest degree o...

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  14. Which of the following about Be is not correct?

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  15. Which of the following alkaline earth metal oxides shows a coordinatio...

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  16. Which one of the following statements is correct

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  17. Gypsum is heated to 190^(@)C. The percentage loss in it's weight is

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  18. The following are some stements related to IIA group metals I) The r...

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  19. The correct order of ability to form complexes is

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  20. Among the following which is extensively hydrated

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