Sulphurous acid ( {H}_{2} {SO}_{3}) has K_{a_{1}}=1.7 \times 10^{-2} and K_{a_{2}}=6.4 \times 10^{-8}. The {pH} of 0.588 {M} is (Round off to the nearest integer) [16 Mar 2021 Shift 2]

Ionic Equilibrium Part 1

Section: Chemistry

Question : 38 of 100

Marks: +1, -0

Sulphurous acid (H2SO3) has Ka1=1.7×10−2 and Ka2=6.4×10−8. The pH of 0.588M is (Round off to the nearest integer)

[16 Mar 2021 Shift 2]

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t=0	0.558	0	0
t=teq	0.558−0.558α	0.558α	0.558α