MCQ
Bond order of $C_2$ vapour is :
- A$\frac{8-4}{2} = 2$
- ✓$\frac{6-2}{2} = 2$
- C$\frac{8-2}{2} = 3$
- D$\frac{10-2}{2} = 4$
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catalyst is
$C _2 H _4( g )+3 O _2( g ) \rightarrow 2 CO _2( g )+2 H _2 O ( l )$ the amount of heat produced as measured in bomb calorimeter is $1406\,kJ\,mol { }^{-1}$ at $300\,K$. The minimum value of $T \Delta S$ needed to reach equilibrium is $(-).......\,kJ$. (Nearest integer) Given : $R =8.3\,JK ^{-1} mol ^{-1}$
$(I)$ Low enthalpy of dissociation of $F-F$ bond
$(II)$ High hydration enthalpy of $F^-$
$(III)$ Low atomisation enthalpy of $F_2$