Question

Calculate the no. of molecules of SO3 formed
when 12.89 of SO2 is completely oxidised
to SO3-​

Answer 1

so3 hybridisation is sp. For calculating hybridisation count the no. of sigma bonds . As SO3 has trigonal shape and sulphur is joined by each oxygen with double bonds (comprises of one sigma and one pi bond),SO IT HAS THREE SIGMA BOND.