How many of the following properties correctly mentioned in their decreasing order?

a) ${\mathrm{NH}}_3,{\mathrm{PH}}_3,{\mathrm{H}}_2\mathrm{O}$ (Bond angle)

b) ${\mathrm{CH}}_3\mathrm{Cl}, {\mathrm{CH}}_2{\mathrm{Cl}}_2,{\mathrm{CHCl}}_3,{\mathrm{CCl}}_4$ (dipole moment)

c) ${ }^{+}{\mathrm{NO}}_2,{\mathrm{NO}}_2,{\mathrm{NO}}_2^{\odot }$ (Bond angle)

d) $\stackrel{\oplus }{\mathrm{C}}\mathrm{O},\mathrm{CO},{\stackrel{\oplus }{\mathrm{N}}}_2,{\mathrm{O}}_2$ (Bond order)

e) MgO, CaO (Hardness)

f) ${\mathrm{CH}}_3\mathrm{Cl},{\mathrm{CH}}_3\mathrm{F},{\mathrm{CH}}_3-\mathrm{Br},{\mathrm{CH}}_3-\mathrm{I}$ (dipole moment)

g) ${\mathrm{NH}}_3,{\mathrm{NF}}_3$ (dipole moment)

h) $\mathrm{K}-\mathrm{F},\mathrm{NaI},L\mathrm{iCl},\mathrm{H}-\mathrm{F},\mathrm{Br}-I$ (ionic character)