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Question:
Which of the following compounds does not dissolve in cone. $H_2S O_4$ even on warming?
Which of the following compounds does not dissolve in cone. $H_2S O_4$ even on warming?
Updated On: Aug 31, 2023
- Ethylene
- Benzene
- Hexane
- Aniline
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The Correct Option is C
Solution and Explanation
The correct answer is C:Hexane
Ethylene absorb \(H_2S O_4\) forming \(CH_3-CH_2 OSO_3 H\) and dissolve. Benzene, with warm \(H_2S O_4,\) undergo sulphonation
and dissolve. Aniline, with \(H_2S O_4,\) forms anilinium sulphate salt and dissolve. Hexane, a hydrophobic molecule, does not react with \(H_2S O_4,\)
remains insoluble.
Ethylene absorb \(H_2S O_4\) forming \(CH_3-CH_2 OSO_3 H\) and dissolve. Benzene, with warm \(H_2S O_4,\) undergo sulphonation
and dissolve. Aniline, with \(H_2S O_4,\) forms anilinium sulphate salt and dissolve. Hexane, a hydrophobic molecule, does not react with \(H_2S O_4,\)
remains insoluble.
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Concepts Used:
Hydrocarbons
Hydrocarbons can be described as organic compounds that consists only hydrogen and carbon atoms. These compounds are of different types and thereby have distinct natures. Hydrocarbons are colorless gases and are known for discharging faint odours. These have been categorized under four major classes named as alkynes, alkanes, alkenes, and aromatic hydrocarbons.
Types of Hydrocarbons
- Saturated hydrocarbons - Saturated hydrocarbons are those compounds where there is a single bond exists between carbon atoms and are saturated with atoms of hydrogen.
- Unsaturated hydrocarbons - Hydrocarbons comprises of at least one double or triple bond between carbon atoms are known as unsaturated hydrocarbons.
- Aliphatic hydrocarbons - The term denotes the hydrocarbons formed as an outcome of the chemical degradation of fats. Aliphatic hydrocarbons are basically chemical compounds.
- Aromatic hydrocarbons - They are distinguished because of the presence of benzene rings in them. They give away distinct types of aroma. These hydrocarbons comprises of only hydrogen and carbon atoms.
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