AP EAMCET · Chemistry · Electrochemistry
Molar conductivities at infinite dilution \(\wedge_{\mathrm{m}}^{\circ}\) for \(\mathrm{Ba}(\mathrm{OH})_2\), \(\mathrm{BaCl}_2\) and \(\mathrm{NH}_4 \mathrm{Cl}\) are \(457.0,240.6\) and \(2130 \mathrm{Scm}^2 \mathrm{~mol}^{-1}\) respectively. The \(\wedge_{\mathrm{m}}^0\) for ammonium hydroxide (in \(\mathrm{Scm}^2\) \(\mathrm{mol}^{-1}\) ) is
- A 1683.2
- B 1080.2
- C 2130
- D 2238.2
Answer & Solution
Correct Answer
(D) 2238.2
Step-by-step Solution
Detailed explanation
\(\lambda_{\mathrm{m}}^{\circ}\left(\mathrm{NH}_4 \mathrm{OH}\right)=\lambda_{\mathrm{m}}^{\circ}\left(\mathrm{NH}_4^{+}\right)+\lambda_{\mathrm{m}}^{\circ}\left(\mathrm{OH}^{-}\right)\)…
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