MCQ
Which is incorrectly matched?
- A${I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ - $
- B${I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ - $
- ✓$CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ - $
- DNone of these
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$MgO(s) + C(s) \to Mg(s) + CO(g)$, for which $\Delta _r{H^o} = + 491.1\,kJ\,mo{l^{ - 1}}$ and $\Delta _r{S^o} = 198.0\,Jk^{-1}\,mo{l^{ - 1}}$ is not feasible at $298\, K$. Temperature above which reaction will be feasible is.....$K$
