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In a volumetric experiment, it was found that a solution of $KMnO _{4}$ is reduced to $MnSO _{4}$. If the normality of the solution is $1.0\, N$, then the molarity of the solution will be
In a volumetric experiment, it was found that a solution of $KMnO _{4}$ is reduced to $MnSO _{4}$. If the normality of the solution is $1.0\, N$, then the molarity of the solution will be
Updated On: Jun 8, 2024
- 0.5 M
- 0.2 M
- 1.0 M
- 0.4 M
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The Correct Option is B
Solution and Explanation
$ 2K\overset{+7}{M}\,nO_{4}+3H_{2}SO_{4}\rightarrow K_{2}SO_{4}+2\overset{+2}{M}nSO_{4} + 3H_{2}O+5O $
$ \because $ Normality of the solution $ =1.0\,N $
$\therefore$ Molarity of the solution $ =\frac{\text{Normality}}{\text{Charge on}ON} $
$ =\frac{1.0}{5}=0.2\,M $
$ \because $ Normality of the solution $ =1.0\,N $
$\therefore$ Molarity of the solution $ =\frac{\text{Normality}}{\text{Charge on}ON} $
$ =\frac{1.0}{5}=0.2\,M $
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Chemistry is a vast subject and for understanding its significance we can take help of following points:
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- Chemistry is important in order to understand the behaviour of fertilizers, alkenes, acids, salts, dyes, polymers, drugs, soaps and alloys in organic and inorganic chemistry.
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Classification of Matter
There are two ways of classifying the matter:
(A) Physical Classification:
Matter can exist in three physical states:
- Solids - have definite volume and definite shape
- Liquids - have definite volume but not definite shape.
- Gases - have neither definite volume nor definite shape.
(B) Chemical Classification:
Based upon the composition, matter can be divided into two main types:
- Pure Substances are defined as a single substance (or matter) which cannot be separated by simple physical methods. Pure substances can be further classified as (i) Elements (ii) Compounds
- Mixtures are the combination of two or more elements or compounds which are not chemically combined together and may also be present in any proportion.
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