Equivalent conductance ($\mathrm{\lambda }$) vs concentration graphs are given for some electrolytes X, Y and Z. Here X, Y and Z are respectively

• A

  NiSO₄, KCl, CH₃COOH

• B

  KCl, NiSO₄, CH₃COOH

• C

  KCl, CH₃COOH, NiSO₄

• D

   CH₃COOH, NiSO₄, KCl