Match List I with List II:
List I (Mixture) List II (Separation Technique) A CHCl3+C6H5NH2 i Steam distillation B C6H14+C5H12 ii Differential extraction C C6H5NH2+H2O iii Distillation D Organic compound in H2O iv Fractional distillation
| List I (Mixture) | List II (Separation Technique) | ||
| A | CHCl3+C6H5NH2 | i | Steam distillation |
| B | C6H14+C5H12 | ii | Differential extraction |
| C | C6H5NH2+H2O | iii | Distillation |
| D | Organic compound in H2O | iv | Fractional distillation |
- A-IV, B-I, C-III, D-II
- A-III, B-IV, C-I, D-II
- A-II, B-I, C-III, D-IV
- A-III, B-I, C-IV, D-II
The Correct Option is B
Solution and Explanation
(A) CHCl$_3$ + C$_6$H$_5$NH$_2$: The mixture consists of chloroform and aniline, which can be separated by distillation.
(B) C$_6$H$_14$ + C$_5$H$_12$: The mixture consists of alkanes, which can be separated by fractional distillation.
(C) C$_6$H$_5$NH$_2$ + H$_2$O: Aniline and water can be separated by steam distillation.
(D) Organic compound in H$_2$O: This mixture can be separated by differential extraction.
Thus, the correct answer is: \[ \text{(2) A-I, B-II, C-III, D-IV.} \]
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Concepts Used:
Chemistry in Everyday Life
The scientific study of matter’s properties and behaviour is known as chemistry. It is a natural science that studies the elements that makeup matter, as well as the compounds, made up of atoms, molecules, and ions: their composition, structure, qualities, and behaviour, as well as the changes that occur when they mix with other things.
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- Importance of Chemistry in Cosmetics - In our daily lives, we use lotions, fragrances, talcum powder, and a variety of other cosmetic goods. All of these items are developed in laboratories using chemicals for our health and skin.
- Importance of Chemistry in Soaps and Detergents - Soaps are sodium and potassium salts of fatty acids with greater molecular weights, such as stearic acid, palmitic acid, and oleic acid. Sodium salts of long-chain alkyl hydrogen sulphates or sodium salts of long-chain alkyl benzene sulphonic acids are commonly used as detergents.