Explain how the acidities of alcohols and thiols is reflected by the element effect

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Explain how the acidities of alcohols and thiols is reflected by the element effect

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Step 1
  • According to Bronsted theory of acid and base, acids are proton donor and base are proton acceptor.

For eg-

HA        + B     --->        A-           +        BH

Acid      Base        Conjugate base    Conjugate acid 

  • Stabilization of conjugate base leads to increase in acidity.
  • Acids having lower pH value are acidic.
  • pKa defines the stabilization of conjugate base. 
  • Acids having lower pKa have stable conjugate base and is more acidic.
  • One of the factor affecting acidity is element effect.
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