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For which crystalline substance does the...

For which crystalline substance does the solubility in water increase upto ` 312^@C` and then decrease readily ?

A

`1CaCl_2 . 2H_2O`

B

`Na_2SO_4 .10H_2O`

C

`FeSO_4 .4H_2O`

D

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The correct Answer is:
B
On heating it loses water molecules .
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P BAHADUR-CHEMICAL BONDING-Exercise2A
  1. Which of the following molecule froms linear polymeric structure due t...

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  2. The correct roder o fincreasing C-O bond lengths in CO, CO3^(2-) and ...

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  3. Among the following which has resonating structure ?

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  4. For which crystalline substance does the solubility in water increase ...

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  5. Which among the following is true ?

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  6. During the formation of a molecular orbital from atomic orbitral , th...

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  7. The shapes of PCl4^+, PCl4^- and AsCl4 are respectively :

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  8. Which of the following paires of elements for oxideas of polyanions a...

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  9. N -O -N bond andle is maximum in :

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  10. Which is not a permissible resonating structure ?

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  11. Which pair represents canonical from ?

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  12. Which of the following would have permanent dipple moment ?

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  13. The correct order of increasing covalent charactre is :

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  14. Which one of the following orders is not correct in accordance whith ...

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  15. The electronegaivity difference between N and F is greater than that b...

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  16. In which of the following moleucles are all the bonds not equal ?

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  17. Which of the following is not a correct statement ?

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  18. Which of the following species has a linear shape ?

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  19. Which of the following is not isostructural with SiCkl4 ?

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  20. The number of unpaired electrons in a parmamagnetic diatomic molecyle ...

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