MCQ
Which one of the following has the highest electronegativity
- A$Br$
- ✓$Cl$
- C$P$
- D$Si$
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$CO(g) + Cl_2(g) \rightleftharpoons COCl_2(g)$
The reaction carried out in a $500\,mL$ flask. At equilibrium, $0.3\,mol$ of phosgene, $0.1\, mol$ of $CO,$ and $0.1\,mol$ of $Cl_2$ are present. The equilibrium constant of the reaction is


$\left[\right.$ Given $: \mathrm{N}_{\mathrm{A}}=6.02 \times 10^{23}\, \mathrm{~mol}^{-1}$, Atomic mass of $\mathrm{Na}=23.0\, \mathrm{u}]$