(i)SO2(g)+12O2(g)⇌SO3(g), Eq. const. is K1
(ii)2SO3(g)⇌2SO2(g)+O2(g), Eq. const is K2
if K1=4×10−3, then K2 will be
6.25 ´ 104
SO2(g)+12O2(g)⇌SO3(g), K1 −−−(eq−1)
2SO3(g)⇌2SO2(g)+O2(g), K2 −−−(eq−2)
eq−2=−2×(eq−1);K2=1(K1)2=1(4×10−3)2=6.25×104