$PCI _5( g ) \rightleftharpoons PCl _3( g )+ Cl _2( g )$
(Case $1:$ At constant $P$ - volume will increase so reaction will shift in forward direction then answer will be $A$
Case $2:$ At constant volume no change in active mass so reaction will not shift in any direction then answer will be $D$.
સ્તંભ $A$ | સ્તંભ $B$ |
$(i) \;\mathrm{Na}_{2} \mathrm{O}$ | $(a)$ તટસ્થ |
$(ii) \;\mathrm{Al}_{2} \mathrm{O}_{3}$ | $(b)$ બેઝિક |
$(iii)\;\mathrm{N}_{2} \mathrm{O}$ | $(c)$ એસિડિક |
$(iv)\;\mathrm{Cl}_{2} \mathrm{O}_{7}$ | $(d)$ ઉભયગુણી |