Question

Among the following , the solution which shows the lowest osmotic pressure is
(1) 0.010 M NaCl (2) 0.05 M CaCl​2 (3) 0.04 M K3[Fe(CN)6] (4) 0.03 M FeCl3

Answer 1

Answer:

answer is A it is correct answer

Answer 2

Answer:

Nacl

Explanation:

osmotic pressure =icRT

RT is same for all

so, value of ic are

NaCl = 0.010 × 2 = 0.020 = 0.02

CaCl2 = 0.05 × 3 = 0.15

K2[Fe(CN)6] = 0.04 × 4 = 0.16

FeCl3 = 0.03 × 4 = 0.12

therefore,

NaCl shows the lowest osmotic pressure

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