Law of multiple proportion - class-XI
Description: law of multiple proportion | |
Number of Questions: 55 | |
Created by: Saurabh Mittal | |
Tags: chemistry some basic concepts of chemistry basic concepts of chemistry stoichiometry |
Among the following pairs of compounds, the one that illustrates the law of multiple proportions is:
The % composition of four hydrocarbons are as follows:
(i) | (ii) | (iii) | (iv) | |
---|---|---|---|---|
%C | 75 | 80 | 85.7 | 91.3 |
%H | 25 | 20 | 14.3 | 8.7 |
The laws of multiple proportion was proposed by :
The % of hydrogen in water and hydrogen peroxide is $11.2$ % and $5.94$ % respectively. This illustrates the law of:
The oxides of nitrogen contain 63.65%, 46.69% and 30.46% of nitrogen by weight, respectively. This data illustrates the law of:
The ratio between the different weights of oxygen in different compounds which combine with the same weight of nitrogen ($14$ parts) is $8:16:24:32:40$ or $1:2:3:4:5$.
This is simple whole number which supports the law of:
Different proportions of oxygen in the various oxides of nitrogen proves the law of:
0.75 mole of solid ‘$A _4$’ and 2 moles of gaseous $O _2$ are heated in a sealed vessel, completely using up the reactants and producing only one compound. It is found that when the temperature is reduced to the initial temperature, the contents of the vessel exhibit a pressure equal to half the original pressure. What conclusions can be drawn from these data the product of the reaction?
The law of multiple proportion was discovered by:
Two samples of lead oxide were separately reduced to metallic lead by heating in hydrogen. The percentage weight of lead from one oxide was half the percentage weight of lead obtained from the other oxide. The data illustrates the law of:
The mass of nitrogen per gram in hydrazine is exactly one and half the mass of nitrogen in the compound ammonia.
___________ of elements combine in the ratio of whole numbers to produce a large number of a compound called molecules.
Which one of the following pairs of compounds illustrates the law of multiple proportions?
Atoms of the same two elements can combine in different ratios to form different compounds.
This is:
Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectively 12 : 16 and 12 : 32. These figures illustrate the:
Law of multiple proportions can be illustrated by taking the example of:
1 g of an oxide of A contained 0.5 g of A, 4 g of another oxide of A contained 1.6 g of A. These figures illustrate the law of:
Which of the following sets of compounds follow law of multiple proportions?
100 ml of hydrogen combine with 50 ml of oxygen to give 100 ml of water vapour. This statement is according to:
Which one of the following pair of compounds illustrates the law of multiple proportions?
An elements forms two oxides containing respectively 53.33 and 36.36 percent of oxygen. These figures illustrate the law of :
Among the following pairs,the one which illustrates the law of multiple proportions is_____.
A hybrid rocket propellant uses:
Which of the following pairs of compound illustrate law of multiple proportions ?
$i$. Percentage of $Mg$ in $MgO$ and $MgCl _{2}$
$iii$. Percentage of $Cr$ in $K _{2} Cr _{2}O _{7}$ and $K _{2}CrO _{4}$
The law of multiple proportions may be illustrated by data given by:
Law of multiple proportions is not applicable for the oxides (s) of __________.
The oxides of a certain (hypothetical) element contain 27.28 %, 42.86% and 52.94% oxygen. What is the ratio of the valances of the element in the 3 oxides?
$CO,CO _2, C _2O _3$ follows :
The composition (by atoms) of compound A is $40$% X and $60$% Y. The composition (by atoms) of compound B is $25$% X and $75$% Y. According to the law of multiple proportions, the ratio of the weight of element Y in compounds A and B is:
In $SO _{2}$ and $SO _{3}$, the ratio of weight of oxygen that combines with a fixed weight of sulphur is $2 : 3$. This illustrates the law of:
Elements A and B combine to form three different compounds:
$0.3$ g of A $+ 0.4$ g of B $\rightarrow$ $0.7$ g of compound X
$18.0$ g of A $+\ 48.0$ g of B $\rightarrow$ $66.0$ g of compound Y
$40.0$ g of A $+\ 159.99$ g of B $\rightarrow$ $199.99$ g of compound Z
State the law illustrated by these chemical combinations.
Different proportions of oxygen in the various oxides of nitrogen prove the law of :
$3.2$ g sulphur combines with $3.2$ g of oxygen to form a compound in one set of conditions. In another set of conditions, $0.8$ g of sulphur combines with $1.2$ g of oxygen to form another compound. State the law illustrated by these chemical combinations.
Law of multiple proportions is illustrated by which of the following pairs of compounds?
Hydrogen peroxide and water contain $5.93$% and $11.2$% of hydrogen respectively. The data illustrates the law of:
Two different oxides of manganese are compare in the table shown below.
Color | % Ms (by mass) | % O (by mass) | |
---|---|---|---|
Oxide # $1$Oxide # $2$ | BlackDk Green | $63.19$$77.50$ | $36.81$$22.50$ |
When substituted X and Y in the fraction below, which pair CORRECTLY gives a result that illustrates the Law of Multiple Proportions?
$\underline {63.19}$
$X$
$\overline {77.50}$
$\overline {Y}$
The molecules of nitrogen monoxide and nitrogen dioxide differ by a multiple of the mass of one oxygen. The statement can be understood by the concept of :
Which of the following pairs of compounds can be used to illustrate Dalton's Law of Multiple Proportions?
$CaCO _3 + 2HCl \rightarrow CaCl _2 + H _2O + CO _2$
For describing law of multiple proportions, which among the following pair can be used?
A metal forms two oxides with first oxide having 1 and second having 3 oxygen atoms and their masses are 74g and 164 g respectively. If the gram atomic mass of oxygen is 16g, do both compounds follow the law of multiple proportions?
The law of the multiple proportion was proposed by:
Hydrogen and oxygen forms two compounds. The hydrogen content in these compounds is 42.9% and 27.3%. These compounds follow which law ?
The chloride of a solid metallic element contains 57.89% by mass of the element. The specific heat of the element is $0.0324\, cal\, deg^{-1}\, g^{-1}$. Calculate the exact atomic mass of the clement.
Two different oxides of manganese are compared in the table shown below.
Color | % Mn (by mass) | % O (by mass) | |
---|---|---|---|
Oxide # $1$ | Black | $63.19$ | $36.81$ |
Oxide # $2$ | Dk Green | $77.50$ | $22.50$ |
When substituted for X and Y in the fraction below, which pair CORRECTLY gives a result that illustrates the Law of Multiple Proportions?
$63.19$
$\overline {X}$
$\overline {77.50}$
$\overline {Y}$
Which of the following pairs illustrates the law of multiple proportions?
Which of the following statements illustrates the law of multiple proportions?
In compound A, 1.0 g nitrogen combines with 0.57 g oxygen. In compound B, 2.0 g nitrogen unite with 2.24 g oxygen and in compound C, 3.0 g nitrogen combine with 5.11 g oxygen. These results obey the law of:
Carbon and oxygen form two compounds. Carbon content in one of them is $42.9$% and in the other is $27.3$%. The given data is in agreement with:
$12g$ of carbon combines with $64g$ sulphur to form ${CS} _{2}$. $12g$ carbon also combines with $32g$ oxygen to form ${CO} _{2}$. $10g$ sulphur combines with $10g$ oxygen to form ${SO} _{2}$. These data illustrate the
A chemical equation is balanced according to the law of:
Carbon and oxygen from two compounds. Carbon content in one of them is 42.9% and in the other is 27.3%. The given data is in agreement with :
Law of multiple proportions is illustrated by which one of the following pairs ?
$P _xO _y$ what will be correct value of $x$ and $y$ if $P$ and $H$ combine in the mass ratio of $3.1 : 0.3$ and in water $H$ and $O$ combine in the mass ratio $0.2 : 1.6$?