MCQ
Incorrect set is
$(a)$ Ionisation energy $(Na < Li < B < Be)$
$(b)$ Electron affinity $(N < P < O < S)$
$(c)$ Electron negativity $(S < O < Cl < F)$
$(d)$ Atomic radii $(F < N < O < Na)$
- A$a$
- B$a\,,\,b$
- C$a\,,b\,,c$
- ✓$c,\,d$
$(a)$ Ionisation energy $(Na < Li < B < Be)$
$(b)$ Electron affinity $(N < P < O < S)$
$(c)$ Electron negativity $(S < O < Cl < F)$
$(d)$ Atomic radii $(F < N < O < Na)$
${\text{At}}{\text{.radii }} \Rightarrow \,Na{\text{ > N > O > F}}$
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$X \rightleftharpoons 2Y$ and $Z \rightleftharpoons P + Q,$
respectively are in the ratio of $1 : 4.$ If the degree of dissociation of $X$ is $2$ times that of $Z,$ then the ratio of total pressure $(P_1 : P_2)$ at these equilibria is : (Assume degree of dissociation for both reactions are very very small)

