The hydrogen ion concentration in weak acid of dissociation constant ${K_a}$ and concentration $c$ is nearly equal to

  • [AIPMT 1989]
  • A

    $\sqrt {{K_a}c} $

  • B

    $c/{K_a}$

  • C

    ${K_a}c$

  • D

    $\sqrt {{K_a}/c} $

Similar Questions

Explain ionization and ionization constant in di and polyprotic acid.

Values of dissociation constant, $K_a$ are given as follows

      Acid       $K_a$
      $HCN$       $6.2\times 10^{-10}$
      $HF$       $7.2\times 10^{-4}$
      $HNO_2$       $4.0\times 10^{-4}$

Correct order of increasing base strength of the base $CN^-,F^-$ and $NO_2^-$ will be

  • [JEE MAIN 2013]

$0.2$  molar solution of formic acid is ionized $3.2\%$. Its ionization constant is

Calculate $pH$ of $0.02$ $mL$ $ClC{H_2}COOH$. Its ${K_a} = 1.36 \times {10^{ - 3}}$ calculate its $pK_{b}$,

Derive the equation of relation between weak base ionization constant ${K_b}$ and its conjugate acid ionization constant ${K_a}$