AP EAMCET2011ChemistryElectrochemistry
If the values of _ of NH ₄ Cl , NaOH and NaCl are 130, 217 and 109 ohm ⁻¹ ~cm ^2 equiv ⁻¹ respectively, the _ of NH ₄ OH in ohm ⁻¹ ~cm ^2 equiv ⁻¹ is
Options
- A238
- B196
- C22
- D456
Correct answer
A. 238
Step-by-step solution
On adding Eq. (i) and (ii) and subtracting the Eq. (iii) aligned _ NH ₄⁺+ _ OH ⁻ & =130+217-109 _ NH ₄ OH & =347-109 & =238 ohm ⁻¹ ~cm ^2 equiv ⁻¹ aligned