Q.
The PH of 0.1 M monobasic acid is 4.5. The Ka and PKa values, respectively, are
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
1.0×10-6, 6
b
1.0×10-7, 7
c
1.0×10-8, 8
d
none of these
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
PH=-logH+H+=Antilog -PH =Antilog (-4.5) =Antilog 5¯.5=3.16×10-5H+=A-=3.16×10-5HA=C-Cα=C-H+ =0.1-3.16×10-5=0.1Ka=H+A-HA=3.16×10-520.1=1.0×10-8PKa=-log Ka=-log 10-8=+8
Watch 3-min video & get full concept clarity