Question

Write the limitation of law of constant compositions

Answer 1

Limitations of law of definite proportions:

The law does not hold true if the different isotopes of the element are involved in making chemical compound.

the law is not applicable when elements combine in the same ratio but different compounds are formed.

Limitations of law multiple proportion: The law is valid till an element is present in one particular isotopic form in all its compounds. When an element exists in the form of different isotopes in its compounds, the law does not hold good.

Answer 2

the limitation not applicable when elements combine in the same ratio but different compounds are formed. limitation of law multiple proportion: a law is valid till an element is present in one particular isotopes from in all its compounds