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Out of 2-chloroethanol and ethanol which is more acidic and why?
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Cl-atom being electron withdrawing group shows -I effect and decrease the electron density in $\mathrm{O}-\mathrm{H}$ bond. Due to which $\mathrm{O}-\mathrm{H}$ bond of 2-chloroethanol becomes weaker than $\mathrm{O}-\mathrm{H}$ bond of ethanol. Therefore 2-chloroethanol is more acidic than ethanol.
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