Solutions Test

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Solutions Test - 41

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Weekly Quiz Competition

Question 1
4 / -1

At constant temperature, binary ideal solution is formed by two liquids A and B. At equilibrium, mole-fraction of liquid B is 0.4 and vapour state mole-fraction of B is 0.25. P^o_B = 40 mm, then at the same temperature, what will be the vapour pressure of pure liquid ‘A’ ?

A
60 mm

B
40 mm

C
50 mm

D
80 mm
Question 2
4 / -1

Choose correct alternative for True and False statements for given diagram. (For correct statement T and for wrong statement F) (Assume that ionic solid substances completely dissociates in the solution) (For Correct- Statement T and for Worry Srut ment F)
(i)Osmotic pressure of the system increase by adding H₂O in an aqueous solution of CuSO₄
(ii)The concentration of solution of glucose increases with the passage of time.
(iii)Osmotic pressure of the system decreases by adding glucose in the solution of glucose
(iv)The concentration of solution of CuSO₄ increases with the passage of time.

A
FTTF

B
TFFT

C
FFTT

D
TTFF
Question 3
4 / -1

Choose correct alternative for True and False statements for given figure (For correct statement T and for wrong statement F) (Assume that lomic solid substances completely dissociates in the solution)
(i)concentration of an aqueous solution of FeCl₃ increases with the pressure of time.
(ii)aqueous solution of FeCl₃ gradually turns reddish
(iii)concentration of an aqueous solution of KCNS increases with the passage of time
(iv)aqueous solution of KCNS remains colourless

A
FTTF

B
TFFT

C
FFTT

D
TTFF
Question 4
4 / -1

What would be the osmotic pressure of the system at 300 k temperature ? (R=8.314 x 10-2 litre-bar-mole-1 k-1) (Assume that ionic solid substances completely dissociates in an aqueous solution)

A
25 bar

B
10.0 membrane bar

C
24.9 bar

D
19.95 bar

Solution
Question 5
4 / -1

At constant temperature, 2 litres aqueous solution of each 0.2 M kcl and 0.3 M AlCl₃ are in contact with each other by semipermeable membrane. When osmosis stops, then, what millilitre water diffuses from semipermeable membrane to the other side ? (Assume that ionic solids dissociates completely in the aqueous solution)

A
500 ml

B
600 ml

C
800 ml

D
1000 ml

Solution
Question 6
4 / -1

Choose the correct alternative for the given diagram for correct and wrong statements. (T is for false statement) (Assume that ionic solid substances dissociates completely in the aqueous solution)
(i) concentration of solution of NaCl increases with the passage of time
(ii) concentration of solution of urea decreases with the passage of time
(iii) concentration of solution of NaCl decreases with the passage of time
(iv) concentration of solution of urea increases with the passage of time

A
FTTF

B
TFFT

C
FFTT

D
TTFF
Question 7
4 / -1

Which of the following solution is hypotonic with fluids in RBC ?(Assume that ionic solid substances completely dissociates in the solution)

A
0.2 M NaCl

B
0.1 M NaCl

C
0.18 M NaCl

D
given all
Question 8
4 / -1

At constant temperature, Which of the following solution is hypotonic in the comparison with fluids in RBC ? (Assume that ionic solid substances completely dissociates in the solution)

A
0.17 M NaCl

B
0.12 M NaCl

C
0.1 M NaCl

D
given all
Question 9
4 / -1

X M NaCl is isotonic with fluids present in RBC (Red Blood Corpusceles), then what would be the value of x ? (M.w. Of NaCl =58.5 gm/mole) (Assume that ionic solid substances completely dissociates in the solution)

A
0.15

B
0.05

C
0.18

D
0.78
Question 10
4 / -1

Which of the following solution is hypotonic in comparison with the solution of 0.4 M glucose?

A
0.1 M CaCl₂

B
0.2 M NaCl

C
0.15 M FeCl₃

D
0.3 M urea