Arrange the gases according to increasing rate of diffusion at 50°c.?
a) no2 < o2 < so2
b) so2 < o2 < no2
c) so2 < no2 < o2
d) o2 < so2 < no2
e) o2 < no2 < so2

The flowers in a flower arrangement are actually alive

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Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf