MCQ
What is the correct order of acidic nature
- A$SO_2 < SeO_2 < TeO_2$
- ✓$SO_2 > SeO_2 > TeO_2$
- C$SO_2 = SeO_2 = TeO_2$
- D$SO_2 < SeO_2 > TeO_2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(Round off to the Nearest Integer).

$Fe ^{2+}( aq )+ S ^{2-}( aq ) \rightleftharpoons FeS ( s )$
When equal volumes of $0.06 M Fe ^{2+}( aq )$ and $0.2 M S ^{2-}( aq )$ solutions are mixed, the equilibrium concentration of $Fe ^{2+}$ (aq) is found to be $Y \times 10^{-17} M$. The value of $Y$ is. . . . .