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What happens when `H_2O_2` is mixed with cold acidic potassium dichromate solution?

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UNITED BOOK HOUSE-2015 Question Paper-EXERCISE
  1. Give an example of a compound where the constituent element exhibit fr...

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  2. Although KHF2 is a stable compound, KHBr2 does not exist Explain why.

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  3. What happens when H2O2 is mixed with cold acidic potassium dichromate ...

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  4. Why is LiCl soluble in organic solvent?

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  5. Why are fumes seen when barium halides are kept in open air?

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  6. Alkali metals become opaque when they are kept open in air Why?

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  7. Write the basic principles of Solvey process.

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  8. Arrange the following compounds with ascending order of boiling point ...

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  9. BaSO4 is insoluble in water, but BeSO4 is soluble in water - Explain.

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  10. Why is CH3)3(c^o+)?

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  11. Indicate the electrophilic centre of the following compounds: CH3CHO,C...

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  12. Express the equilibrium constant of the reaction in the forms of Kp an...

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  13. What is meant by solubility product?

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  14. pH of 0.2 mol L^-1 chloroacetic acid is 1.7. Find out the degree of di...

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  15. At 1000 K temperature CO2 has pressure fo 0.5 atm in a closed containe...

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  16. What amount of CH3COONa is to be added to one litre of 0.1 (M) CH3COO...

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  17. NaOH solution is added to Al2(SO4)3) solution?

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  18. All the carbon-Oxygen bonds in CO3^(2+) radical are equivalent- Explai...

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  19. What is meant by common ion effect?

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  20. What will be the major product when propyne is treated with aqueous H2...

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