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Hydrocarbons are used as fuels. Why?...

Hydrocarbons are used as fuels. Why?

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The combustion reactions combination with oxygen of hydrócarbons are highly expthermic heat is liberated in nature.
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V PUBLICATION-The p-BLOCK ELEMENTS-QUESTION BANK
  1. Oxygen is a diatomic gas. Why?

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  2. Suluphur has a strong tendency for catenation than oxygen. Why?

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  3. Hydrocarbons are used as fuels. Why?

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  4. Name the anhydride of sulphurous acid. Why is it called so?

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  5. Sulphuir dioxide 'SO2' is, a reducing agent. Why?

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  6. Hot concentrated sulphuric acid is a strong oxidising agent. Why?

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  7. Fluorine does not show higher positive oxidation states. Why?

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  8. Arrange HF, HCI, HBr and HI in the order of their i dipole moments. ii...

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  9. In presence of moisture, 'C l2' acts as a powerful oxidising agent. Wh...

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  10. Does the hydrolysis of 'XeF6' lead to a redox reaction?

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  11. Explain i) Sulphur vapours, exhibits some paramagnetism ii) ClF, exi...

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  12. Explain i Helium is used in inflating aeroplane tyres? ii. Solubility ...

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  13. In the reaction 'A+2B+H2O gives C+2D. draw the structures of A, B,...

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  14. Element A burns, in nitrogen to give an ionic compound B. The compound...

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  15. An orange solid. 'X' on heating givés a green rešidue 'Y', water vapou...

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  16. i Why HF acid is stored in wax coated glass bottles? ii Iodine is more...

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  17. Bleaching of flowers by chlorine permanent while that by 'SO2', is te...

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  18. A translucent white waxy solid A on heating in an inert atmosphere is ...

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  19. Explain i. Oxides of nitrogen have open chain structures while those o...

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  20. Explain i. It is advisable to grow a leguminous crop on a soil every t...

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