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Account for the following:- H2O is a liq...

Account for the following:- `H_2O` is a liquid while `H_2S` Is a gas.

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BODY BOOKS PUBLICATION-THE P-BLOCK ELEMENT-Example
  1. Write main differences between the properties of white phosphorus and ...

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  2. Give two differences between the properties of the following:- PCI5 an...

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  3. Account for the following:- H2O is a liquid while H2S Is a gas.

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  4. Account for the following:- Compounds of fluorine with oxygen are call...

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  5. Account for the following:- Phosphine is a weaker base than NH3.

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  6. Write balanced equations for the following:- The reaction of Cl2 with ...

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  7. Write balanced equations for the following:- NaCI is heated with sulph...

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  8. In the manufacture of sulphuric acid the Initial product obtained is o...

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  9. In the manufacture of sulphuric acid the Initial product obtained is o...

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  10. XeF2, XeF6 are Important fluorides of Xenon:- How are they prepared ?

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  11. XeF2, XeF6 are Important fluorides of Xenon:- Explain the action of wa...

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  12. Account for the following:- Nitrogen and chlorine have same electro-ne...

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  13. Account for the following:-Sulphuric acid shows oxidising property, an...

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  14. What are interhalogen compounds? Write any two examples.

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  15. CIF3 exists but FCI3 does not. Why?

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  16. Give reason for the following:- H3PO3 is diprotic whereas H3PO4 is tri...

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  17. Give reason for the following:- HF is liquid but HCI is gas.

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  18. Why is N2 less reactive at room temperature?

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  19. Account for the following:- Bleaching action of Cl2.

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  20. Give reasons for the following elemental phosphorus doesnot exist as P...

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