MCQ
$\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{OH})}$ is equal to $.......$
  • A
    $\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{OH})}+\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{Cl})}-\wedge^{{\circ}}_{\text{HCl}}$
  • $\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{Cl})}+\wedge^{{\circ}}_{\text{m}(\text{Na}\text{OH})}-\wedge^{{\circ}}_{(\text{Nacl})}$
  • C
    $\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{Cl)}}+\wedge^{{\circ}}_{\text{m}(\text{Nacl})}-\wedge^{{\circ}}_{\text{NaOH}}$
  • D
    $\wedge^{{\circ}}_{\text{m}(\text{NaOH})}+\wedge^{{\circ}}_{\text{m}(\text{NaCl})}-\wedge^{{\circ}}_{(\text{NH}_4\text{Cl})}$

Answer

Correct option: B.
$\wedge^{{\circ}}_{\text{m}(\text{NH}_4\text{Cl})}+\wedge^{{\circ}}_{\text{m}(\text{Na}\text{OH})}-\wedge^{{\circ}}_{(\text{Nacl})}$
Since we require only sum of molar conductivity of $NH{_4}^+$ and $OH^-$

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