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What are fullerenes? How are they prepar...

What are fullerenes? How are they prepared?

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 3-EXERCISE
  1. ‘d subshell can accomodate a maximum of 10 electrons’-Justify this sta...

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  2. Explain— Boron is unable to form BF6^(3-) ion.

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  3. What are fullerenes? How are they prepared?

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  4. Name IUPAC name of the following :

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  5. Name IUPAC name of the following :

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  6. Identify electrophilic centre in the following : CH3CHO andCH3CN.

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  7. Name two components of photochemical smog and mention one.of the harmf...

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  8. An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...

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  9. An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...

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  10. 2nd Ionisation potential of oxygen is greater than 2nd ionisation pote...

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  11. What is transitional element.

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  12. Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...

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  13. Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...

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  14. Atomic number of three elements A. B and C are 10, 13 and 17 respecti...

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  15. Why Cl2 molecule exists but not Ne2 molecule.

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  16. Give an example of a molecule which violets octet rule.

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  17. Between N2O and NO2 molecules which one is more polar? Explain.

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  18. Mention the state of hybridasation of the .central atom in the followi...

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  19. Calculate the total pressure in a mixture of 8g of oxygen and 4 g of h...

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  20. What property of molecules of real gases is indicated by van der Waal’...

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