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ऐनिलीन `(C_(6)H_(5)NH_(2))` का विघटन-स्थिरांक `5.93 xx 10^(-10)` हे । `25^(@)C` पर जल का आयनिक गुणनफल `1.02 xx 10^(-14)` हे । ऐनिलीन हाइड्रोक्लोराइड के `1.0N` विलयन में ऐनिलीन हाइड्रोक्लोराइड का प्रतिशत जल-अपघटन ज्ञात करें ।

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ऐनिलीन हाइड्रोक्लोराइड `(C_(6)H_(5)NH_(3)Cl)` दुर्बल भस्म `C_(6)H_(5)NH_(2)` और सबल अम्ल HCl से बना एक लवण है।
`K_(h) = (K_(w))/(K_(b)) = (1.02 xx 10^(-14))/(5.93 xx 10^(-10)) = 1.72 xx 10^(-5)`
`C_(6)H_(5)NH_(3)^(+) + H_(2)O hArr C_(6)H_(5)NH_(2) + H_(3)O^(+)`
या `C_(6)H_(5)NH_(3)^(+) hArr C_(6)H_(5)NH_(2) +H^(+)`
`h = sqrt((K_(h))/(C)) = sqrt((1.72 xx 10^(-5))/(1.0)) = 4.15 xx 10^(-3)`.

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