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Give reasons: Cerium (Ce) exhibits +4 ...

Give reasons:
Cerium (Ce) exhibits +4 oxidation state.

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OSWAAL PUBLICATION-Solved Paper 4 -exercise
  1. Draw a neat labelled diagram of H(2)-O(2) fuel cell. Write the reactio...

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  2. A first order reaction is found to have a rate constant K=5.5xx10^(-14...

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  3. Give reasons: Cerium (Ce) exhibits +4 oxidation state.

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  4. Give reason: Actinoid contraction is greater from element to element t...

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  5. How anisole reacts with bromine in ethanoic acid? write the chemical e...

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  6. Explain the preparation of carboxylic acids from Grignard reagent . Gi...

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  7. Given an example each for (a) Artificial sweetening agents (b) Narco...

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  8. What are analgesics? Give an example for narcotic analgesics.

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  9. What are cationic detergents? Give an example.

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  10. Explain the process of obtaining "blister copper" from "copper matte" ...

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  11. Write the equations involved in the manufacture of nitric acid by Ostw...

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  12. (a) How is ozonised oxygen prepared in the laboratory? Give equation. ...

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  13. (a) How is ozonised oxygen prepared in the laboratory? Give equation. ...

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  14. Complete the following equation: 2NaOH+Cl2rarrNaCl+…+H2O

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  15. Complete the following equation: Na2SO3+2HCLrarr2NaCl+H2O

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  16. Complete the following equations: Cl(2)+3F(2)overset(573K)rarr…….

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  17. How is potassium permanganate ( KMnO4) prepared from MnO2 ? write the ...

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  18. Why 3d-series of elements acts as good catalyst?

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  19. Given reason : Ti^(4+) salts are colourless where as Cr^(3+) salts are...

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  20. Explain the hybridisation, geometry and magnetic property of [Ni(Cl)(4...

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