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STD 11 - 6.2. Equilibrium - II (icon Equilibrium) — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 6.2. Equilibrium - II (icon Equilibrium)4 Marks
MCQ
In the equilibrium $C{H_3}COOH + HF\,\,\rightleftharpoons\,\,C{H_3}COO{H_2}^ + + {F^ - }$
  • A
    ${F^ - }$ is the conjugate acid of $C{H_3}COOH$
  • ✓
    ${F^ - }$ is the conjugate base of $HF$
  • C
    $C{H_3}COOH$ is the conjugate acid of $C{H_3}COO{H_2}^ + $
  • D
    $C{H_3}COO{H_2}^ + $ is the conjugate base of $C{H_3}COOH$
✓

Answer

Correct option: B.
${F^ - }$ is the conjugate base of $HF$
(b) $C{H_3}COOH + HF$ $\rightleftharpoons$ $C{H_3}COOH_2^ + + {F^ - }$ .$HF$ gives ${H^ + }$ to the $C{H_3}COOH$. So it is a conjugate base of $HF$ .

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