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Prepare for AISSCE (CBSE Class XII) Chemistry through selected Long Answer Type Questions – Unit 2 – Solutions

AISSCE (CBSE Class XII) Chemistry through selected Long Answer Type Questions –

 

Unit 2 – Solutions

 

Solution Finding Stimulus-Behave as-if your so...

 

  1. What do you understand by vapour pressure of a liquid? How does it vary with temperature? Using pressure temperature curve show that what is normal boiling point and standard boiling point of a liquid?
  2. What is Vant Hoff’s factor? How is it related to degree of dissociation of the electrolyte in the solution? What is its value when the solute undergoes association?

 

 

 

 

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Be the first to comment - What do you think?  Posted by admin - February 12, 2014 at 6:10 pm

Categories: CBSE Chemistry   Tags: , , , , , , ,

Prepare for AISSCE (CBSE Class XII) Chemistry through selected Long ANswer Type Questions – Unit 1 – The Solid State

Chapterwise long answer type questions for AISSCE (CBSE Class XII) Chemistry

Unit 1 – The Solid State

English: The face centered cubic crystal struc...

  1. Describe the following
    1. Hexagonal close packing
    2. Cubic close packing
    3. Body centred cubic packing
  2. What are the seven types of crystal systems? Give their unit cell dimensions. Draw structures of different types of unit cells which are possible for cubic crystal system.
  3. What do you mean by stoichiometric point defects? Describe briefly the various types of stoichiometric point defects.
  4. Explain the following.
    1. Schottky defect
    2. Frenkel defect
    3. F – centres
  5. Explain the conduction behaviour of metals, semiconductors and insulators on the basis of band theory of solids. What is the effect of increase of temperature on electrical conductivity of metals, semiconductors and insulators.
  6. Explain the following with suitable examples
    1. Paramagnetic substances
    2. ferrimagnetic substances
    3. Ferromagnetic substances

 

 

Be the first to comment - What do you think?  Posted by admin - at 5:51 pm

Categories: AISSCE CHEMISTRY, CBSE Chemistry   Tags: , , , , , , ,