MCQ
From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionisation energy.
- A$1s^2\,2s^2\,2p^6\,3s^2$
- ✓$1s^2\,2s^2\,2p^6\,3s^1$
- C$1s^2\,2s^2\,2p^6$
- D$1s^2\,2s^2\,2p^5$
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$C(s)\, + \,C{O_2}(g)\, \rightleftharpoons \,2CO(g),$
the partial pressure of $CO_2$ and $CO$ are $2.0$ and $4.0 \,atm$, respectively, at equilibrium. The $k_p$ of the reaction is
for the above reaction at $298 K , K _{ c }$ is found to be $3.0 \times 10^{-59}$. If the concentration of $O _{2}$ at equilibrium is $0.040 M$ then concentration of $O _{3}$ in $M$ is ...... .
(Given molar mass of methane in $\mathrm{g} \mathrm{mol}^{-1}: 16$ )