Define the Law of Multiple Proportions.
The Law of Multiple Proportions states that if two elements can combine to form more than one compound,the masses of one element that combine with a fixed mass of the other element are in the ratio of small whole numbers.
For example,carbon and oxygen can combine to form $CO$ and $CO_2$.
In $CO$,$12 \ g$ of carbon combines with $16 \ g$ of oxygen.
In $CO_2$,$12 \ g$ of carbon combines with $32 \ g$ of oxygen.
The ratio of the masses of oxygen that combine with a fixed mass $(12 \ g)$ of carbon is $16:32$,which simplifies to $1:2$,a simple whole number ratio.
For example,carbon and oxygen can combine to form $CO$ and $CO_2$.
In $CO$,$12 \ g$ of carbon combines with $16 \ g$ of oxygen.
In $CO_2$,$12 \ g$ of carbon combines with $32 \ g$ of oxygen.
The ratio of the masses of oxygen that combine with a fixed mass $(12 \ g)$ of carbon is $16:32$,which simplifies to $1:2$,a simple whole number ratio.
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Define the law of multiple proportions. Explain it with two examples. How does this law point to the existence of atoms?
Medium
View SolutionWhich law is illustrated by compounds $H_2O$ and $H_2O_2$ formed from two different elements,$H$ and $O$?
The following data are obtained when dinitrogen and dioxygen react together to form different compounds:
Mass of dinitrogen Mass of dioxygen $(i) \ 14 \ g$ $16 \ g$ $(ii) \ 14 \ g$ $32 \ g$ $(iii) \ 28 \ g$ $32 \ g$ $(iv) \ 28 \ g$ $80 \ g$
$(a)$ Which law of chemical combination is obeyed by the above experimental data? Give its statement.
$(b)$ Fill in the blanks in the following conversions:
$(i) \ 1 \ km = \dots \ mm = \dots \ pm$
$(ii) \ 1 \ mg = \dots \ kg = \dots \ ng$
$(iii) \ 1 \ mL = \dots \ L = \dots \ dm^{3}$
| Mass of dinitrogen | Mass of dioxygen |
|---|---|
| $(i) \ 14 \ g$ | $16 \ g$ |
| $(ii) \ 14 \ g$ | $32 \ g$ |
| $(iii) \ 28 \ g$ | $32 \ g$ |
| $(iv) \ 28 \ g$ | $80 \ g$ |
$(a)$ Which law of chemical combination is obeyed by the above experimental data? Give its statement.
$(b)$ Fill in the blanks in the following conversions:
$(i) \ 1 \ km = \dots \ mm = \dots \ pm$
$(ii) \ 1 \ mg = \dots \ kg = \dots \ ng$
$(iii) \ 1 \ mL = \dots \ L = \dots \ dm^{3}$
Difficult
View Solution$1.7 \, g$ of silver nitrate is dissolved in $100 \, g$ of water. Another $0.585 \, g$ of sodium chloride is dissolved in $100 \, g$ of water and added to the first solution,resulting in a chemical reaction. $1.435 \, g$ of silver chloride and $0.85 \, g$ of sodium nitrate are produced. Which law is followed by the above information?
Medium
View SolutionWhich one of the following sets of compounds correctly illustrates the law of reciprocal proportions?
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