Which of the following pairs of compounds ill | vedclass

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(D) The law of multiple proportions states that when two elements combine to form more than one compound,the masses of one element that combine with a

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$D_2O, D_2O_2$

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(D) The law of multiple proportions states that when two elements combine to form more than one compound,the masses of one element that combine with a fixed mass of the other are in the ratio of small whole numbers. In the pair $D_2O$ and $D_2O_2$,the element $D$ (deuterium) has a fixed mass,while the mass of $O$ (oxygen) in $D_2O$ is $16 \ g$ and in $D_2O_2$ is $32 \ g$. The ratio of the masses of oxygen is $16:32$,which simplifies to $1:2$,a simple whole number ratio. Therefore,$D_2O$ and $D_2O_2$ illustrate the law of multiple proportions.

Which of the following pairs of compounds illustrates the law of multiple proportions?

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