A weak acid HX has K_(a) =1 xx 10^(-5)M. If forms a salt NaX onreaction with alkali. The perentage degree of dissociation of 0.1 M solution of NaX is

A weak acid HX has K_(a) =1 xx 10^(-5)M. If forms a salt NaX onreactio

1.	A weak acid HX has K_(a) =1 xx 10^(-5)M. If forms a salt NaX onreaction with alkali. The perentage degree of dissociation of 0.1 M solution of NaX is
Answer» <html><body><p>1.0E-5<br/>0.01<br/>0.1<br/>0.15</p>Solution :`underset(("Salt"))(X^(-)) +H_(2)O hArr HX+OH^(-)` <br/> For the salt `K_(h) =(K_(w))/(K_(a)) =Calpha^(2)` <br/> `:. (10^(-4))/(10^(-5)) =0.1 alpha^(2)` <br/> `" or """alpha^(2) =(10^(-14))/(10^(-6)) =10^(-8)` <br/> `alpha =(10^(-8))^(1//2) =10^(-4)` <br/> `% " degree of <a href="https://interviewquestions.tuteehub.com/tag/dissociation-15685" style="font-weight:bold;" target="_blank" title="Click to know more about DISSOCIATION">DISSOCIATION</a> "underset(=10^(-2) =0.01%)(=10^(-4) <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> <a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a>)`</body></html>