At `25^(@)C` molar conductance of `0.1` molar aqueous solution of ammonium hydroxide is `9.54 ohm^(-1) cm^(2) mol^(-1)` and at infinte dilution its molar conductance is `238 ohm^(-1) cm^(2) mol^(-1)` The degree of ionisation of ammonium hydroxide at the same concentration and termperature isA. `2.080 %`B. `20.800%`C. `4.008%`D. `40.800%`

At `25^(@)C` molar conductance of `0.1` molar aqueous solution of ammo

1.	At `25^(@)C` molar conductance of `0.1` molar aqueous solution of ammonium hydroxide is `9.54 ohm^(-1) cm^(2) mol^(-1)` and at infinte dilution its molar conductance is `238 ohm^(-1) cm^(2) mol^(-1)` The degree of ionisation of ammonium hydroxide at the same concentration and termperature isA. `2.080 %`B. `20.800%`C. `4.008%`D. `40.800%`
Answer» Correct Answer - C `alpha=(pi_(m))/(pi_(m)^(oo))=(9.54)/(238)=0.04008` `or 4.008%`

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