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Explain why : Lithium is metal but it pr...

Explain why : Lithium is metal but it produces covalent compound.

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UNITED BOOK HOUSE-KALIDHAN INSTITUTION QUESTION PAPER-EXERCISE
  1. Define ionisation potential. State its change down a group.

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  2. Give one example of intramolecular hydroen bond. Explain why - KHF2 e...

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  3. Calculate the ratio of the values of average velocity, root mean squar...

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  4. Why does real gas deviate from ideal gas behaviour? Under what conditi...

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  5. Balance the equation by oxidation number method. K2Cr2O7 +FeSO4 + H2SO...

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  6. Explain why : Lithium is metal but it produces covalent compound.

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  7. Explain why :Why is KO2 paramagnetic in nature.

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  8. The DeltaH(fusion)^@ and Delta S(fusion)^@ of CCI4 are 2.5 KJ mol^(-1)...

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  9. 56 gm of N2 gas is expanded isothermally and reversibly from 2 litres ...

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  10. Determine the hybridisation of nitrogen in NO3 - ion. Why is carbon di...

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  11. What is mole? Establish the relation between amu and gm.

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  12. Show the number of unpaired electron in Co^(+3) ion. Is it paramagneti...

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  13. Name the element having atomic number 109 by IUPAC system, What is dia...

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  14. Explain the formation of BH4^-, from BH3.

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  15. A mixture of 4 gm of hydrogen and 16 gm of oxygen has a total pressure...

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  16. Calculate the * hybridisation of indicated atoms in bleaching power, ...

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  17. Potassium permanganate has different equivalent weights in different r...

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  18. How do the following properties of alkalimetals' change down the group...

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  19. How do the following properties of alkalimetals' change down the group...

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  20. Write the limitations of first law of thermodynamics.

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