The values of dissociation constants $(K_a)$ of some acids (at $25\,^{\circ}C$) are as follows. Indicate which is the strongest acid in water:
$(A)$ $1.4 \times 10^{-2}$
$(B)$ $1.6 \times 10^{-4}$
$(C)$ $4.4 \times 10^{-10}$
$(D)$ $4.3 \times 10^{-7}$

  • A
    $1.4 \times 10^{-2}$
  • B
    $1.6 \times 10^{-4}$
  • C
    $4.4 \times 10^{-10}$
  • D
    $4.3 \times 10^{-7}$

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