CBSE Class 11-science Answered
What are limitations of Arrhenius theory?
Asked by Topperlearning User | 28 Apr, 2015, 10:40: AM
Expert Answer
It fails to explain the acidic nature of substances like CO2, SO2,SO3 etc which do not have hydrogen and similarly it also fails to explain the basic nature of substances like NH3, CaO, MgO etc which do not have -OH group.
It fails to explain the acidic and basic behaviour of substances in solvents other than water such as ammonia,alcohol.etc
The theory fails to explain why strong electrolytes like nitric acid (HNO3) are completely ionized in aqueous solution whereas weak electrolytes like acetic acid (CH3COOH) are ionized to a small extent only.
Answered by | 28 Apr, 2015, 12:40: PM
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