Q14 / 160 · AP EAMCET 2021 (23 Aug Shift 2) · Chemistry

Strongest conjugate base is

  • A
    $\mathrm{Cl}^{-}$
  • B
    $\mathrm{Br}^{-}$
  • C
    $I^{-}$
  • Correct answer
    D
    $\mathrm{F}^{-}$

Solution

An acid loses a proton to form an anion known as its conjugate base. A strong acid will form a weak conjugate base and a weak acid will form a strong conjugate base. HF is a weak acid because it dissociates partially in water. So, it will form a strong conjugate base $\mathrm{F}^{-}$.

Hence, the correct answer is option: 'D'.

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