MCQ
The bond in ${K_4}[Fe{(CN)_6}]$ are:
- AAll ionic
- BAll covalent
- CIonic and covalent
- ✓Ionic, covalent and co-ordiante covalent

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The temperature at which the rate constant of the reaction is $10^{-4} s ^{-1}$ is .............. $K$.
(Rounded-off to the nearest integer)
[Given: The rate constant of the reaction is $10^{-5} s ^{-1}$ at $500 K$.]


$[Figure]$ $\xrightarrow[{CHC{l_3}}]{{\mathop {\left( {Pyridinium\,chlorochromate} \right)}\limits^{PCC} }}$
${C_6}{H_5}N{H_2}\mathop {\xrightarrow{{NaN{O_2}/HCl}}}\limits_{0 - 5\,^o C} X\mathop {\xrightarrow{{HN{O_2}}}}\limits_{C{H_2}O} Y + {N_2} + HCl$
$X$ and $Y$ are respectively