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

If Ka1,Ka2 and Ka3 be the first, second and third ionization constant of H3PO4 and Ka1>>Ka2>>Ka3 which is/ are correct

A
[H+]Ka1[H3PO4]
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
[H+][HPO24]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Ka2[HPO24]
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
[HPO24][PO34]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct options are
C Ka2[HPO24]
D [H+]Ka1[H3PO4]
Ka1=[H2PO4][H+][H3PO4]

But [H2PO4][H+]

Ka1[H+][H+][H3PO4]

Ka1[H3PO4][H+]2

[H+]=Ka1[H3PO4]

Ka2=[HPO24][H+][H2PO4]

But [H+][H2PO4]

Hence,
Ka2[HPO24]

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