MCQ
How many structural isomers are possible for a compound with molecular formula ${C_3}{H_7}Cl$
- ✓2
- B5
- C7
- D9

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$A\, \rightleftharpoons \,B$ ${K_C} = 2$
$B\, \rightleftharpoons \,C$ ${K_C} = 3$
$C\, \rightleftharpoons \,D+E$ ${K_C} = 5$
$K_C$ for the reaction $A\, \rightleftharpoons \,D+E$ is