Question

When alcohol (C2H5OH ($\ell$) and acetic acid (CH3COOH

($\ell$)) are mixed together in equimolar ratio at 27⁰C, 33% of each is converted into ester. Then the KC for the equilibrium C2H5OH($\ell$) + CH3COOH ($\ell$)$\rightleftharpoons$ CH3COOC2H5

($\ell$) + H2O($\ell$) is :

• A. 4
• B. 1/4
• C. 9
• D. 1/9

Answer 1

Answer: (B)

1/4

Answer 2

C2H5OH ($\ell$) + CH3COOH ($\ell$)$\rightleftharpoons$ CH3COOC2H5 ($\ell$) + H2O ($\ell$).

a a 0 0a 0.33a a – 0.33a 0.33a 0.33a