Question

Among the following pairs of compounds, the one that illustrates the law of multiple proportions is (a) $\mathrm{Cu}$ and $\mathrm{CuSO}_{4}$ (b) $\mathrm{CuO}$ and $\mathrm{Cu}_{2} \mathrm{O}$ (c) $\mathrm{H}_{2} \mathrm{~S}$ and $\mathrm{SO}_{2}$ (d) $\mathrm{NH}_{3}$ and $\mathrm{NCl}_{3}$

Name: Problem 17, Chapter 1: A Complete Resource Book in Chemistry for JEE Main
Uploaded: 2021-09-14T08:29:17-08:00
Duration: 1 min 21 s
Channel: Shahina -
Description: Among the following pairs of compounds, the one that illustrates the law of multiple proportions is (a) Cu and CuSO4 (b) CuO and Cu2 O (c) H2 S and SO2 (d) NH3 and NCl3

   Among the following pairs of compounds, the one that illustrates the law of multiple proportions is
(a) $\mathrm{Cu}$ and $\mathrm{CuSO}_{4}$
(b) $\mathrm{CuO}$ and $\mathrm{Cu}_{2} \mathrm{O}$
(c) $\mathrm{H}_{2} \mathrm{~S}$ and $\mathrm{SO}_{2}$
(d) $\mathrm{NH}_{3}$ and $\mathrm{NCl}_{3}$

A Complete Resource Book in Chemistry for JEE Main

A.K. Singhal 3rd Edition

Chapter 1, Problem 17

Instant Answer

Solved by Expert Shahina -

09/14/2021

Step 1

Step 1: The law of multiple proportions states that when two elements combine to form two or more compounds, the masses of one element that combine with a fixed mass of the other element are in a simple ratio. Show more…

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Among the following pairs of compounds, the one that illustrates the law of multiple proportions is (a) $\mathrm{Cu}$ and $\mathrm{CuSO}_{4}$ (b) $\mathrm{CuO}$ and $\mathrm{Cu}_{2} \mathrm{O}$ (c) $\mathrm{H}_{2} \mathrm{~S}$ and $\mathrm{SO}_{2}$ (d) $\mathrm{NH}_{3}$ and $\mathrm{NCl}_{3}$

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Key Concepts

Law of Multiple Proportions

This law states that when two elements form more than one compound, the different compounds will contain the elements in mass ratios that are simple, whole-number multiples of each other. It underpins the atomic theory by showing that elements combine in consistent, quantized amounts.

Stoichiometry

Stoichiometry is the quantitative study of the relationships between the amounts of reactants and products in chemical reactions. It provides the framework for understanding the mass ratios in which elements combine, a principle that is directly related to the law of multiple proportions.

Compound Composition

Compound composition involves the analysis of the types and proportions of elements that make up a chemical compound. Recognizing the consistent and discrete ratios of elements in different compounds is key to applying the law of multiple proportions.

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