Total vapour pressure of mixture of 1 mole of volaile components A (`P_(a^(%)`)=100 mm Hg) and 3 mole of volatile component B(`P_B^(@) =80 mm Hg`) is 90 mm Hg. For such case:
A
There is positive deviation from Rsoult's law
B
boiling point has been lowered
C
force of attraction between A and B is weaker than that between A and A or betweenB and B
D
All the above statement are correct
Text Solution
Verified by Experts
The correct Answer is:
d
Topper's Solved these Questions
DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 2|1 Videos
DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 3 - Match The Column|1 Videos
Two moles of pure liquid 'A' (P_(A)^(0)=80 mmof Hg) and 3 mole of pure liquid 'B' (P_(B)^(0)=120mm of Hg) are mixed . Assuming ideal behaviour
The vapour pressure of 4% solution of a non-volatile solute in water at 100^@C is 745 mm. What is the molecular weight of solute?
The vapour pressure of a mixure of 1 mole of liquid 'A' and 3 mole of liquid 'B' is 550 mm of Hg. When one mole of liquid 'B' is further added, the vapour pressure of the solution increases by 10 mm of Hg. The vapour pressure of pure liquid A and B are respectively in mm of Hg .
At 50^@C the vapour pressure of H_2O is 92mm Hg. The vapour pressure of a solution containing 18.1g of non volatile solute in 100ml H_2O at the same temperature is 87mm Hg. Find the molecular weight of the solute.
Vapour pressure of aqueous glucose at 373 K is 750 mm Hg. Calculate the molality of solute present dissovled solution.
Vapour pressure in mm Hg of 0.1 mole of urea in 180 g of water at 25^(@)C is (The vapour pressure of water at 25^(@) C is 24 mm Hg)
A non-volatile solute (A) is dissolved in a volatile solvent (B). The vapour pressure of the resultant solution is P_(s^(*)) . The vapour pressure of pure solvent is P_(B)^(@) . If X_(B) is the mole fraction of the solvent, which of the following is correct?
Vapour pressure of chloroform (CHCl_(3)) and dichloromethane (CH_(2)Cl_(2)) at 298 K are 200 mm Hg and 415 mm Hg respectively. (i) Calculate the vapour pressure of the solution prepared by mixing 25.5 g of CHCl_(3) and 40 g of CH_(2)Cl_(2) at 298 K and (ii) mole fractions of each component in vapour phase.
Calculate the vapour pressure , if 0.083 mole of a non-volatile solute is present in 80 g of ethanol at 25^@C , Vapour pressure of ethanol is 22.45 mm.
NARENDRA AWASTHI-DILUTE SOLUTION-Level 3 - Match The Column
