MCQ
An ${e^ - }$ has magnetic quantum number as $ - 3$, what is its principal quantum number
- A$1$
- B$2$
- C$3$
- ✓$4$
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$2KCl{O_4}(s) \rightleftharpoons 2KCl(s) + 3{O_2}(g)$
If $\Delta {H^o} = 25\,kcal/mol$ and $\Delta {S^o} = 50\,cal/K$, at what temperature equilibrium will be established in the container. (Ignore variation of $\Delta {H^o}$ and $\Delta {S^o}$ with temperature.)......$K$
$(I)$ $\left[ {{{\left( {P{h_3}P} \right)}_2}PdC{l_2}PdC{l_2}} \right]$
$(II)$ $\left[ {NiBrCl\left( {en} \right)} \right]$
$(III)$ $N{a_4}\left[ {Fe{{\left( {CN} \right)}_5}NOS} \right]$
$(IV)$ $Cr{(CO)_3}{\left( {NO} \right)_2}$
$(I)$ - $(II)$ - $(III)$ - $(IV)$
In which case the value of $\Delta H_{sol.} < 0$