Which of the following solutions will have minimum vapour pressure a] 1N NaCl b] 1 N MgCl2 c] 1 N AlCl3 d] 1 M Sucrose

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Q. At a constant temperature, which of the following aqueous solutions will have the maximum vapour pressure?

[Mol weight:

N a C l = 58.5, H_{2} {S O}_{4} = 98.0 g . {m o l}^{- 1}

]

Q. Set the following solutions in increasing order of vapour pressure:

3 m

N a_{2} S O_{4}

1 m

U r e a

0.4 m

A l C l_{3}

0.2 m

N a C l

Q. The ratio of osmotic pressure exerted by 1 M sucrose and 1 M

N a C l

solution will be

Q. Arrange the following in the order given below :

Increasing covalent character of

N a C l, M g {C l}_{2}, A l {C l}_{3}

A l {C l}_{3} < M g {C l}_{2} < N a C l

.
If true enter 1, else enter 0.

Question 14
Which of the following statements is false?
(a) Two different solutions of sucrose of same molality prepared in different solvents will have the same depression in freezing point.
(b) The osmotic pressure of a solution is given by the equation $π = C R T$ (where, C is the molarity of the solution)
(c) Decreasing order of osmotic pressure for 0.01 M aqueous solutions of barium chloride, potassium chloride, acetic acid and sucrose is
$B a C l_{2} > K C l > C H_{3} C O O H > s u c r o s e$
(d) According to Raoult's law, the vapour pressure exerted by a volatile component of a solution is directly proportional to its mole fraction in the solution

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