CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

When solid NH4NO3 is dissolved in water at 25oC, the temperature of the solution decreases. What is true about the signs of ΔH and ΔS for this process__________.

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

The correct option is C ΔH=+ve,ΔS=+ve
1.Since temperature of the solution decreases means it's an exothermic reaction so (ΔH)=+ve
2.Since solid NH4NO3 is dissociated so number of ions increases so randomness increases and hence (ΔS)=+ve

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Oxides of Nitrogen
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon