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  • Solve it, SO2is oxidized to SO42-in acidic medium. Equivalent wreight of SO2 is

SO2 is oxidized to SO42- in acidic medium. Equivalent wreight of SO2 is

  • Option 1)

    64

  • Option 2)

    32

  • Option 3)

    16

  • Option 4)

    8

 

Answers (1)

best_answer

As we have learnt,

 

Equivalent mass -

It is equal to the molecular or atomic mass divided by the number of electrons involved in the reaction per molecule, atom or ion.

- wherein

e.g. 2H_{2}O\:+\:2e^{-}\rightarrow H_{2}\:+\:2OH^{-}

2 Faraday of electricity is used to produce one mole of gas 

\therefore    Eq. Mass of hydrogen=\frac{2.016}{2}=1.008

 

 SO_2 + 2H_2O\rightarrow H_2SO_4 + 2H^+ + 2 e^-

  +4                                +6

change in oxidation mumber of sulphur = 6-4 = 2

Equivalent mass of SO2 = \frac{molecular\;mass}{2} = \frac{64}{2} = 32

 


Option 1)

64

Option 2)

32

Option 3)

16

Option 4)

8

Posted by

prateek

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