Find the Vapour pressure of Component  A and B
  • 20 mm , 28.5 mm
  • 11 mm, 37.5 mm
  • 19 mm., 29.5 mm
  • None of these
Find the mole fraction of Component A and B in vapour form
  • .433, .567
  • .226, .774
  • .5 , .5
  • .6 , .4
Link Comprehension type Two elements A & B form compounds having formula $AB_2$ & $AB_4$. When dissolved in 20 g of benzene; 1 g of $AB_2$ lowers the freezing point by 2.3 K. Whereas 1 g of $AB_4$ lowers it by 1.3 K. $K_f$  for benzene is 5.1 K. Kg/mol. The atomic mass of element A is
  • 22.6 u
  • 42.6 u
  • 41.6 u
  • 25.59 u
The atomic mass of element B  is
  • 22.6 u
  • 12.6 u
  • 42.6 u
  • 15.59 u
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