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A certain first order reaction is half c...

A certain first order reaction is half completed in 46 min. Calculate the rate constant and also time for 75% completion of the reaction.

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SUBHASH PUBLICATION-MODEL QUESTION PAPER 1 FOR PRACTICE-PART D
  1. The molar conductances of sodium chloride, hydrochloric aciid and sodi...

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  2. What are the products formed at anode and cathode when aqueous solutio...

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  3. A certain first order reaction is half completed in 46 min. Calculate ...

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  4. Mention the factors affecting the rate of reaction.

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  5. Explain electrodialysis for the purification of colloid.

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  6. Define shape selective catalysis. Give example.

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  7. Write the equations for the steps in SN-1 mechanism of the convertion ...

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  8. Complete the following equations (i) C(2)H(5)OH+SOCl(2)to

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  9. Explain the preparation of phenol from cumene.

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  10. Explain Williamson's ether synthesis.

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  11. Explain the addition of mechanism of HCN to aldehyde or ketones.

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  12. Write the chemical equations for the following conversions. (i) Benz...

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  13. What is Hinsbergs reagent? How is it used to distinguish primary amine...

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  14. Explain Hoffman bromamide degradation for the preparation of aniline.

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  15. Mention the diseases caused by the following. (i) Vitamin C (ii) V...

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  16. How is dipeptide formed? Give equation.

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  17. What are enzymes?

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  18. What is a nucleotide?

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  19. How are polymers classified based on structures?

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  20. Name the type of attractive forces present in (a) elastomers (b) fibro...

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