Question

Compound mx2 has observed and normal molecular masses 65.6 and 164 respectively. calculate percentage of ionization of mx2 :-

Answer 1

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Given -

Normal Molecular masses are 65.6 & 164 .


Solutions  -

Ionization reaction is :- 
                                   
                            Mx₂→M²⁺ + 2 X⁻ 

We know that , 

                     i = 1+ 2α -----------------------(i)
                     
For finding the value of i ,
                                     i  =  $\frac{164}{65.6}$

                                     i = 2.5 

∴                  i  = 1 + 2α    (from eq. (i)
                 2.5 = 1+  2α

 Hence,    α  =  0.75 

or Percentage of Ionization of Mx₂ is 75 %


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