New ! Chemistry MCQ Practise Tests



Electro Chemistry 2 Mark Creative Question Paper With Answer Key

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Chemistry

Time : 00:45:00 Hrs
Total Marks : 30

     2 Marks

    15 x 2 = 30
  1. Give the mathematical expression of ohm's law.

  2. Define resistance. Give its mathematical expression

  3. Define resistivity

  4. Two electrodes having cross sectional area of l A and are separated by a distance l. What is the ratio of length by area called?

  5. Define conductance. Give its unit

  6. Define specific conductance

  7. Give a mathematical expression that relates I cell constant, specific conductance and specific resistance.

  8. Derive the unit of specific conductance.

  9. For a uni - univalent electrolyte write the Debye - Huckel Onsagar equation

  10. Give the empirical relationship between molar conductance and concentration of the electrolyte.

  11. Account for the following : For a strong electrolyte molar conductivity decreases as concentration increases

  12. Molar conductivity increases with dilution. Is the above statement true? Justify your answer

  13. On dilution of 0.1 M of Na2SO4, what will happen to its
    (a) Conductance (C)
    (b) Conductivity K
    (c) Molar conductance \({ \Lambda }_{ m }\)
    (d) Equivalent conductance \({ \Lambda }\)

  14. Give the expression that relates molar conductivity and degree of dissociation.

  15. Express Kohlraush's law for molar conductance of a uni - univalent electrolyte NaCl

*****************************************

Reviews & Comments about 12th Standard Chemistry English Medium - Electro Chemistry 2 Mark Creative Question Paper and Answer Key 2022 - 2023

Write your Comment