For a `0.072 M NaSO_(4)` solution,select the incorrect option(s):`(K_(a_(1))` and `K_(a_(2))` of `H_(2)SO_(4)=oo` & `1.2xx10^(-2))`

Question

For a `0.072 M NaSO_(4)` solution,select the incorrect option(s):`(K_(a_(1))` and `K_(a_(2))` of `H_(2)SO_(4)=oo` & `1.2xx10^(-2))`

For a `0.072 M NaSO_(4)` solution,select the incorrect option(s):`(K_(a_(1))` and `K_(a_(2))` of `H_(2)SO_(4)=oo` & `1.2xx10^(-2))`
A. `pH=1.62`
B. `pH=7.39`
C. Degree of hydrolysis `h=(1)/(sqrt(6))`
D. `h=3.4xx10^(-6)`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

`1.2xx10^(-7)=(7.2xx10^(-2)alpha^(2))/(1-alpha)rArr 6alpha^(2)+alpha-1=0rArr alpha=(1)/(3)`
So `pH=-log ((0.072)/(3))=1.62`

5 views Answered 2023-02-05 15:29