Arrange the following :

Increasing strength of hydrogen bonding (X-H-X):

O, S, F, Cl, N

Calculate the volume occupied by 5.0 g of acetylene gas at 50^oC and 740 mm pressure.

The hybridization of carbon atoms in C-C single bond of HC $$ \equiv $$ C - CH = CH₂ is

The volume strength of 1.5 N H₂O₂ solution is