CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

A manometer attached to a flask contains ammonia gas and has the same mercury level initially as shown in the diagram. Ammonia is partially dissociated as 2NH3(g)N2(g)+3H2(g) after which there is a difference of 4 cm in the mercury levels in the two columns. What is the partial pressure of H2(g) at equilibrium?

A
6 cm Hg
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
9 cm Hg
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
12 cm Hg
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
27 cm Hg
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 6 cm Hg
Initially2NH3(g)N2(g)+3H2(g)Equilbrium760 0762xx 3x
Increase in pressure: 2x=4; x=2 cm Hg
Partial pressure of H2=3×2=6 cm Hg

flag
Suggest Corrections
thumbs-up
0
BNAT
mid-banner-image