You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Work Done in Isothermal Reversible Process

π1, π2, π3 an...

Question

$π_{1}, π_{2}, π_{3} a n d π_{4}$ are the osmotic pressures of 5% $(\frac{W}{V})$ solutions of urea, fructose, sucrose and KCl respectively at certain temperatures. The correct order of their magnitude is

$π_{1} > π_{4} > π_{2} > π_{3}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$π_{1} < π_{4} < π_{2} < π_{3}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$π_{4} > π_{1} > π_{2} > π_{3}$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

$π_{4} > π_{1} > π_{3} > π_{2}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
$π_{4} > π_{1} > π_{2} > π_{3}$

Moles of urea $= \frac{5}{60}$
Moles of fructose $= \frac{5}{180}$
Moles of sucrose $= \frac{5}{342}$
Moles of KCl (effective) $= 2 \times \frac{5}{74.5} = \frac{5}{37.25}$

Suggest Corrections

Similar questions

Q. Relationship between osmotic pressure at 273 K when

1 %

glucose (

π_{1}

1 %

urea (

π_{2}

81 %

sucrose (

π_{3}

) are dissolved in 1 litre of water:

Q. The relationship between the value of Osmotic pressure

(π)

of the solution obtained by dissolving 6g.L

^{- 1}

of acetic acid

(π_{1})

and 7.45 g.L

^{- 1}

of KCl

(π_{2})

is :

Q. Some solutions are given in List -I and Some Properties are given in List-II, Match the list-I with List-II.

List-I

List-II

(A)

π_{1} : 0.1 M glucose

π_{2} : 0.1 M Urea

(P)

π_{1} and π_{2} Isotonic

(B)

π_{1} : 0.1 M N a C l

π_{2} : 0.1 M N a_{2} S O_{4}

(Q)

No net migration of solvent across the membrane

(C)

π_{1} : 0.1 M N a C l

π_{2} : 0.1 M K C l

(R)

π_{1} hypertonic to

π_{2}

(D)

π_{1} : 0.1 M C u S O_{4}

π_{2} : 0.1 M Sucrose

(S)

π_{1} hypotonic to

π_{2}

Which of the following options has the incorrect combination considering List-I

Q. Some solution are given in List - I and Some Properties are given in List - II, Match the list - I with list - II.

List-I

List-II

(A)

π_{1} : 0.1 M glucose

π_{2} : 0.1 M Urea

(P)

π_{1} and π_{2} Isotonic

(B)

π_{1} : 0.1 M N a C l

π_{2} : 0.1 M N a_{2} S O_{4}

(Q)

No net migration of solvent across the membrane

(C)

π_{1} : 0.1 M N a C l

π_{2} : 0.1 M K C l

(R)

π_{1} hypertonic to

π_{2}

(D)

π_{1} : 0.1 M C u S O_{4}

π_{2} : 0.1 M Sucrose

(S)

π_{1} hypotonic to

π_{2}

Which of the following option has the correct combination considering List - I and List - II.

Q. The relationship between the value of osmotic pressure

(π)

of the solution obtained by dissolving 6g

L^{- 1}

of acetic acid

(π_{1})

and 7.45g

L^{- 1}

K C l

(π_{2})

is:

Join BYJU'S Learning Program

π1, π2, π3 and π4 are the osmotic pressures of 5% (WV) solutions of urea, fructose, sucrose and KCl respectively at certain temperatures. The correct order of their magnitude is

The correct option is C π4>π1>π2>π3 Moles of urea=560 Moles of fructose=5180 Moles of sucrose=5342 Moles of KCl (effective)=2×574.5=537.25

$π_{1}, π_{2}, π_{3} a n d π_{4}$ are the osmotic pressures of 5% $(\frac{W}{V})$ solutions of urea, fructose, sucrose and KCl respectively at certain temperatures. The correct order of their magnitude is

The correct option is C
$π_{4} > π_{1} > π_{2} > π_{3}$

Moles of urea $= \frac{5}{60}$
Moles of fructose $= \frac{5}{180}$
Moles of sucrose $= \frac{5}{342}$
Moles of KCl (effective) $= 2 \times \frac{5}{74.5} = \frac{5}{37.25}$