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Explain why HCl is a gas and HF is a l...

Explain why HCl is a gas and HF is a liquid ?

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F is smaller and more electronegative than CI, So it forms stronger H-bonds as compared to Cl. As the consequence, more
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NCERT EXEMPLAR-HYDROGEN-SHORT ANSWER TYPE QUESTIONS
  1. Melting point, enthaply of vaporisation and visvocsity data of H(2...

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  2. Dihydrogen reacts with dioxygen (O(2)) to from water .Write the na...

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  3. Explain why HCl is a gas and HF is a liquid ?

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  4. When the first element of the periodic table is treated with diox...

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  5. Rohan heard that instructions were given to the laboratory attend...

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  6. Given reason why hydrogen resembles alkali metals ?

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  7. Hydrogen generally form covalent compounds. Give reason

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  8. Why is the ionisation enthalpy of hydrogen higher than that of sod...

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  9. Basic pricinple of hyrogen economy is transpotation and storage of ...

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  10. What is the importance of heavy water ?

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  11. Write the Lewis structure of hydrogen peroxide .

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  12. An acidic solution of hydrogen peroxide behaves as an oxidising ...

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  13. With the help of suitable examples, explain the property of H(2)O(2...

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  14. Why is water molecule polar ?

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  15. Why does water show high boiling points as compared to hydrogen su...

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  16. Why can dilute solutions of hydrogen peroxide not be concentrated b...

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  17. Why is hydrogen peroxide stored in wax lined bottles?

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  18. Why does hard water not from lather with soap ?

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  19. Phosphoric acid is perferred over sulphuric acid in perparing hyd...

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  20. How will you account for 104.5^(@) bond angle in water ?

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