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Define the term molality....

Define the term molality.

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Molality (m) is defined as .the number of moles of solute dissolved per kilogram of the solvent.
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OSWAAL PUBLICATION-SOLVED PAPER II PUC MARCH-2016 -PART-D
  1. Define the term molality.

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  2. 200 cm^(3) of an aqueous solution of a protein contains 1.26 g of prot...

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  3. What are non-ideal solutions ? Mention the reason for the negative dev...

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  4. Resistance of a conductivity cell filled with 0.02 M KCl solution is 5...

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  5. Draw a neat labeled diagram of Standard Hydrogen Electrode (SHE). Writ...

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  6. Calculate the packing efficiency in a simple cubic lattice.

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  7. An element crystallizes in fcc lattice. If the edge length of the unit...

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  8. Give reason for the following. Brownian movement of colloidal partic...

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  9. What is peptization ? Give an example.

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  10. Derive an integrated rate equation for the rate constant of a first-or...

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  11. Draw the graph for [R] versus time (t) for a zero order reaction. Give...

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  12. Write the mechanism of acid catalysed dehydration of ethanol to ethene...

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  13. What is the effect of the following groups on the acidity of phenol ? ...

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  14. (a) Write the Haworth's structure for lactose. (b) Give an example ...

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  15. Explain S(N) - 1 reaction mechanism.

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  16. Explain Fittig reaction with equation.

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  17. What is cross aldol condensation. Give an example.

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  18. Explain decarboxylation reaction with an example.

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  19. What is the major product of the following reaction ?

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  20. What are condensation polymers? Given an example.

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  21. Write the following: (i) IUPAC name for the monomer of natural rubb...

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