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Q. The combining ratios of hydrogen and oxygen in water and hydrogen peroxide are $1 : 8$ and $1 : 16$ . Which law is illustrated in this example ?

MHT CETMHT CET 2019

Solution:

The combining ratios of hydrogen and oxygen in water and hydrogen peroxide are $1 : 8$ and $1 : 16$. It is an example of law of multiple proportions. According to this law, if two elements combine together to form several compounds then weight of one of these elements, which combines with a fixed weight of the other, are in ratio of simple whole numbers.