MCQ
How many isomers are possible for the following molecule ?


- A$1$
- B$2$
- C$3$
- D$4$

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$CO(g) + H_2O(g) \rightleftharpoons CO_2(g) + H_2(g)$, at a given temperature, the equilibrium amount of $CO_2(g)$ can be increased by
$2K\,Cl{O_3}\xrightarrow{{}}2KCl + 3{O_2}$ law of mass action

| Leaving group | Conj. Acid $pK_a$ | $\%$ -yield of $2$-hexene | $\%$ -yield of $1$ -hexene |
| $X = I$ | $- 10$ | $81\%$ | $19\%$ |
| $X = Br$ | $-9$ | $72\%$ | $28\%$ |
| $X = Cl$ | $-7$ | $67\%$ | $33\%$ |
| $X = F$ | $3.2$ | $30\%$ | $70\%$ |
Which of the following statement is (are) true concerning this series of $E_2$ reactions ?
Major product $(A)$ of the above reaction
${N_2}{O_4}(g) \rightleftharpoons 2N{O_2}(g),\,\,\frac{{{K_c}}}{{{K_p}}}$ is