Question
No. of $\pi$ electrons in the following is :



Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
At $300 \,K$, ozone is fifty percent dissociated. The standard free energy change at this temperature and $1\, atm$ pressure is $(-)$ $........\,J\, mol ^{-1}$ (Nearest integer)
[Given: $\ln 1.35=0.3$ and $R =8.3 J K ^{-1} mol ^{-1}$ ]


$NH _{2} CN _{( s )}+\frac{3}{2} O _{2}( g ) \rightarrow N _{2( g )}+ O _{2}( g )+ H _{2} O _{(l)}$
is ............ $kJ$. (Rounded off to the nearest integer)
[Assume ideal gases and $\left. R =8.314\, J\, mol ^{-1} K ^{-1}\right]$
${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{ - 4}}\xrightarrow{{MnO_4^ - /{H^ + }}}F{e^{ + 3}} + C{O_2} + NO_3^ - $