The binary diffusivity in liquids varies almost as
A.T
B.T 3/2
C.T 2
D.T3
A.T
B.T 3/2
C.T 2
D.T3
A.NPr = NSc = 0.7
B.NPr = NSc = 1
C.NPr = NSc = 7.02
D.NPr = NSc = 297
A.the composition of the mixture
B.the temperature of the mixture
C.the nature of the vapour
D.all of the above
A.shows no deviation from Raoults law
B.shows positive deviation from Raoults law
C.shows negative deviation from Raoults law
D.is saturated
A.89.4 mole per cent ethanol and 78.2?C
B.89.4 mole per cent water and 78.2?C
C.96.0 mole per cent ethanol and 78.2?C
D.96.0 mole per cent ethanol and 100?C
A.is always equal to its percentage saturation
B.is always lower than its percentage saturation
C.is always greater than its percentage saturation
D.may be smaller or greater than its percentage saturation depending on the composition of the mixture
A.the vapour pressure of A is less than the vapour pressure of B
B.the vapour pressure of A is more than the vapour pressure of B
C.the vapour pressure of A is equal to 1 atm
D.the vapour pressure of A is equal to the vapour pressure of B
A.straight line
B.slightly concave upward
C.slightly concave downward