(B) In compound $A$,the ratio of $x:y$ is $1:1$. Given $28 \ g$ of $x$ combines with $16 \ g$ of $y$.In compound $C$,the ratio of $x:y$ is $1:3$.For a

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(B) In compound $A$,the ratio of $x:y$ is $1:1$. Given $28 \ g$ of $x$ combines with $16 \ g$ of $y$.In compound $C$,the ratio of $x:y$ is $1:3$.For a fixed amount of $x$ $(28 \ g)$,the amount of $y$ required for compound $C$ is $16 \times 3 = 48 \ g$.Thus,$48 \ g$ of $y$ combines with $28 \ g$ of $x$.Therefore,$24 \ g$ of $y$ will combine with $(28 / 48) \times 24 = 14 \ g$ of $x$.

Class 11 Chemistry Some Basic Concepts of Chemistry Laws of chemical combination

Medium

Two elements $x$ and $y$ have atomic masses $14$ and $16$ respectively. They form a series of five compounds $A, B, C, D, E$ in which the ratio of $x$ to $y$ is $1:2:3:4:5$. If compound $A$ contains $28$ parts by weight of $x$ and $16$ parts by weight of $y$,then in compound $C$,how many parts by weight of $x$ will combine with $24$ parts by weight of $y$?

A
$28$
B
$14$
C
$48$
D
$24$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Some Basic Concepts of Chemistry

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Laws of chemical combination

If element $A$ combines with element $B$ in a ratio of $1:2$ by mass,and element $A$ combines with element $C$ in a ratio of $6:4$ by mass,then by which law do elements $B$ and $C$ combine with each other?

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When $2.16 \ g$ of metallic copper is treated with nitric acid,the weight of copper oxide obtained is $2.70 \ g$. In a second experiment,$1.15 \ g$ of copper oxide on reduction gives $0.92 \ g$ of copper. These results illustrate the law of:

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Which of the following statements is correct about the given reaction?
$4Fe_{(s)} + 3O_{2_{(g)}} \to 2Fe_{2}O_{3_{(s)}}$

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Which of the following pairs of substances illustrates the Law of Multiple Proportions?

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An element forms two oxides containing respectively $53.33\%$ and $36.36\%$ of oxygen. These figures illustrate the law of

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If element $A$ combines with element $B$ in a ratio of $1:2$ by mass,and element $A$ combines with element $C$ in a ratio of $6:4$ by mass,then by which law do elements $B$ and $C$ combine with each other?

When $2.16 \ g$ of metallic copper is treated with nitric acid,the weight of copper oxide obtained is $2.70 \ g$. In a second experiment,$1.15 \ g$ of copper oxide on reduction gives $0.92 \ g$ of copper. These results illustrate the law of:

Which of the following statements is correct about the given reaction?$4Fe_{(s)} + 3O_{2_{(g)}} \to 2Fe_{2}O_{3_{(s)}}$

Which of the following pairs of substances illustrates the Law of Multiple Proportions?

An element forms two oxides containing respectively $53.33\%$ and $36.36\%$ of oxygen. These figures illustrate the law of

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Which of the following statements is correct about the given reaction?
$4Fe_{(s)} + 3O_{2_{(g)}} \to 2Fe_{2}O_{3_{(s)}}$