Consider the strong electrolytes $Z_{m}X_{n}$,$U_{m}Y_{p}$ and $V_{m}X_{n}$. Limiting molar conductivity $(\Lambda^0)$ of $U_{m}Y_{p}$ and $V_{m}X_{n}$ are $250 \ S \ cm^2 \ mol^{-1}$ and $440 \ S \ cm^2 \ mol^{-1}$,respectively. The value of $(m + n + p)$ is . . . . . Given:
$Ion$ $\lambda^0 \ (S \ cm^2 \ mol^{-1})$
$U^{p+}$ $50.0$
$Y^{m-}$ $50.0$
$V^{n+}$ $60.0$
$X^{m-}$ $50.0$
$Z^{n+}$ $40.0$

$\lambda^0$ is the limiting molar conductivity of ions. The plot of molar conductivity $(\Lambda)$ of $Z_{m}X_{n}$ $vs$ $c^{1/2}$ is given below.

  • A
    $4$
  • B
    $7$
  • C
    $8$
  • D
    $9$

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