(a) Draw the molecular structure of following compounds :
(b) Explain the following observations :
(i) The molecules and have dipole moments which are of opposite direction.
(ii) All the bonds in molecule are not equivalent.
(iii) Sulphur in vapour state exhibits paramagnetism.
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(a) (i) :
(b) (i) Because F is more electronegative than N in whereas N is more electronegative than H in
(ii) Because has a trigonal bipyramidal structure in which the three equatorial P-Cl bonds are equivalent while the two axial bonds are longer than equatorial bonds.
(iii) Because sulphur in vapour state has two unpaired electrons in the antibonding orbitals like