A gaseous metallic chloride MCl consists of 20.22% of M by mass. The formula of the chloride is?

[ M = 27, Cl = 35.5]

  • A MCl
  • B MCl\(_2\)
  • C MCl\(_3\)
  • D M\(_2\)Cl\(_6\)
jamb 2020chemistry

The correct answer is C. MCl\(_3\)

  M Cl
% composition 20.22 79.78
Atomic mass 27 35.5
Mole ratio 20.22 79.78
  27 35.5
  0.75 2.25
Divided 0.75 0.75
  1 3
The formula of the Chloride = MCl\(_3\) Previous question Next question