Question:
Which will give turbidity fastest on reaction with Lucas reagent ?
Which will give turbidity fastest on reaction with Lucas reagent ?
Updated On: Jul 2, 2022
- $CH_{3}CH_{2}OH$
- $CH_{3}CH_{2}CH_{2}OH$
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The Correct Option is C
Solution and Explanation
Lucas test: A lcohols react w ith concentrated hydrochloric acid in presence of anhydrous zinc chloride to form alkyl halides
$R-OH+HCI { ->[Zncl_{2}] } \underset{\text{Alkyl halide}}{{R - Cl}}+H_{2}O$
The three types of alcohols undergo this reaction at different rates. The rates of reaction with Lucas reagent, [conc. $HCl+ZnCl_{2}$ (anhydrous)) follow the order : $3^{\circ}>\,2^{\circ}>\,1^{\circ}$
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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.
- Alcohol is an organic compound used as a solvent that is insoluble in water.
- It can be used to lower the level of sugar.
- Alcohol is used as a preservative in laboratories.