The alcohol that reacts faster with Lucas reagent is?
A
CH3−CH2−CH2−CH2−OH
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B
CH3−CH2−C|OHH−CH3
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C
CH3−C|CH3H−CH2−OH
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D
CH3−CH3|C|CH3−OH
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Solution
The correct option is BCH3−CH3|C|CH3−OH The alcohol that reacts faster with Lucas reagent is 2-methylpropan-2-ol CH3−CH3|C|CH3−OH, which is a tertiary alcohol. The product is 2-chloro-2-methylpropane.
10 alcohol reacts with Lucas reagent very slowly on heating. 20 alcohol reacts with Lucas reagent much faster. 30 alcohol reacts with Lucas reagent immediately at room temperature. Lucas reagent is a mixture of HCl and anhydrous zinc chloride.