AIIMS2008ChemistryIonic Equilibrium
The correct order of increasing ( [ H ₃ O ⁺ ] )in the following aqueous solutions is
Options
- A(0.01 M H ₂ ~S < 0.01 M H ₂ SO ₄ < 0.01 M NaCl < 0.01 M NaNO ₂ )
- B(0.01 M NaCl < 0.01 M NaNO ₂ < 0.01 M H ₂ ~S < 0.01 M H ₂ SO ₄ )
- C(0.01 M NaNO ₂ < 0.01 M NaCl < 0.01 M H ₂ ~S < 0.01 M H ₂ SO ₄ )
- D(0.01 M H ₂ ~S < 0.01 M NaNO ₂ < 0.01 M NaCl < 0.01 M H ₂ SO ₄ ).
Correct answer
C. (0.01 M NaNO ₂ < 0.01 M NaCl < 0.01 M H ₂ ~S < 0.01 M H ₂ SO ₄ )
Step-by-step solution
H ₂ SO ₄ is strong acid having pH 7 . NaCl is neutral and H ₂ ~S is weak acid.