wiz-icon
MyQuestionIcon
MyQuestionIcon
12
You visited us 12 times! Enjoying our articles? Unlock Full Access!
Question

At 25 C molar conductance of 0.1 molar aqueous solution of ammonium hydroxide is 9.54 ohm1 cm2 mol1 and at infinite dilution its molar conductance is 238 ohm1 cm2 mol1. The degree of ionisation of ammonium hydroxide at the same concentration and temperature is

A
4.008%
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
40.800%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2.080%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
20.800%
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 4.008%
Degree of dissociation
(α)=Molar conductivity at conc.C (Acm)Molar conductivity at infinite dilution (Am)
α=9.54Ω1 cm2 mol1238Ω1 cm2 mol1=0.04008=4.008%

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Mass-Volume relation
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon