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Explain with reason the following: The (...

Explain with reason the following: The (+3) oxidation states of `La(Z=57) and Lu(Z=71) are especially stable.

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UNITED BOOK HOUSE-MP_1-EXERCISE
  1. Write chemical equations for the following reactions: Iodine reacts w...

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  2. Explain with reason the following: Cu^+ ion does not form coloured sal...

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  3. Explain with reason the following: The (+3) oxidation states of La(Z=5...

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  4. An alkylhalide (A), on reaction with Mg in dry ether followed by treat...

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  5. Chlorobenzene on mononitration with mixed acid gives mainly a mixture ...

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  6. Identify A, B, C:

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  7. An organic compound 'A' (C2H6O) reacts with sodium to form a compound ...

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  8. Equimdal solutions of NaCI and BaCI2 are prepared in water. The Freezi...

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  9. Give example of a anit-freeze.

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  10. Why is the vapour pressure of an aqueous solution of glucose lower tha...

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  11. Calculate the mass of urea [CO(NH2)2] required in making 2.5 kg of 0.2...

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  12. A compound (A) (C7H4N) on hydrolysis with strong aqueous acid gives an...

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  13. Convert: Glucose → Glueosazone.

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  14. Define petide bond with an example.

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  15. Write the name and structure of the monomer of natrual rubber.

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  16. Explain the following terms: Molecularity of a reaction.

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  17. Explain the following terms: Energy of activation.

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  18. The time required of 10% completion of a first order reaction at 298K ...

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  19. Explain the following terms: Order of a reaction

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  20. Explain the following terms: rate of a reaction.

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