wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

At 90oC pure water has [H3O+]=10−6 mol/litre. The value of Kw at 90oC is

A
106
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1012
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
108
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1014
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 1012
For pure water, [H+]=[OH]
and
Kw=[H+][OH]=[H+]2=[106]2=1012

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
pH and pOH
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon