MCQ
All reactions with chemical dissociation are
- AReversible
- ✓Reversible and endothermic
- CExothermic
- DReversible or irriversible and endothermic or exothermic
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$(i)$ | $(ii)$ |
| $A$ | $3.01$ | $2.99$ |
| $B$ | $3.05$ | $2.95$ |
$Fe ^{2+}( aq )+ S ^{2-}( aq ) \rightleftharpoons FeS ( s )$
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. . . . .