Question:
The order of reactivity of the following alcohols towards conc. $ HCl $ is:
The order of reactivity of the following alcohols towards conc. $ HCl $ is:
Updated On: Aug 1, 2022
- $ I>II>III>IV $
- $ I>III>II>IV $
- $ IV>III>II>I $
- $ IV>I>II>III $
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The Correct Option is C
Solution and Explanation
This is nucleophilic substitution reaction, hence stabler the carbocation, more reactive will be the alcohol. The order of stability of carbocations is: $ Ph-\overset{+}{\mathop{C}}\,{{H}_{2}}>C{{H}_{3}}-\overset{+}{\mathop{C}}\,H-C{{H}_{3}} $ $ >FC{{H}_{2}}-C{{H}_{2}}-\overset{+}{\mathop{C}}\,H-C{{H}_{3}} $ $ >FC{{H}_{2}}-\overset{+}{\mathop{C}}\,H-C{{H}_{3}} $
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Concepts Used:
Alcohols
What is Alcohol?
Alcohol is a derivative of water (H2O) that has one, two, or more hydroxyl groups that are attached to a carbon atom of a hydrocarbon chain (an alkyl group). It is one of the most common organic compounds used in sweeteners, fragrances, and medicine.
Read More: Types of Alcohol
Uses of Alcohol:
- Ethanol is the alcohol used in alcoholic drinks. It can be used as an industrial methylated spirit where methanol is used very little in quantity as it can be dangerous.
- It is used as fuel to produce carbon dioxide and water by the process of fermentation. Whereas methanol burns carbon dioxide and water to facilitate combustion.
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- Alcohol is used as a preservative in laboratories.