Vapour pressure at 35° as function of substitution 
(a) R°*HgCl (c) PhHg-X (static) 
nee x 107) mn. X = x 10-6 mn. 
Me- 2300 Acetate ld 
Et- 300 Oxinate 8 
R'0C5Hy_ 100 isoUrea 7 
(R' = Me or Et) Fluoroacetate 6 
Ph- Q-4 Salicylanilide 5 
Chloride 5 
(b) EtHg-x Methanodinaphthodisulphonate 2 
Nitrate 1 
X = x 10-4 mn. Salicylate Ms 
Dithi . 
Chloride 30 ithiocarbamate 0-8 
isoThiourea 20 
Dicyandiamide wis 
Phosphate OiiZ 
244 
