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Consider the following solutions, A=0.1 M glucose, B=0.05 M NaCl , C=0.05 M BaCl ₂ , D=0.1 M AlCl ₃ Which of the following pairs is isotonic?

Options

  1. AA and B
  2. BA and D
  3. CA and C
  4. DB and C

Correct answer

A. A and B

Step-by-step solution

Isotonic solutions have same molar concentration of solute particles in solution. Molar concentration of particles in solution are (a) = 0.1 M in glucose (b) =2 0.05 M in NaCl (c) =3 0.05 M in BaCl ₂ (d) =4 0.1 M in AlCl ₃ Hence, 0.1 M glucose and 0.05 M NaCl solutions are isotonic.

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