MHT CET · Chemistry · Solutions
Solutions \(A, B, C\) and \(D\) are respectively \(0.1 \mathrm{M}\) glucose, \(0.05 \mathrm{M} \mathrm{NaCl}, 0.05 \mathrm{M} \mathrm{BaCl}_{2}\) and \(0.1 \mathrm{M}\)
\(\mathrm{AlCl}_{3} .\) Which one of the following pairs is isotonic?
- A \(A\) and \(B\)
- B \(B\) and \(C\)
- C \(A\) and \(D\)
- D \(A\) and \(C\)
Answer & Solution
Correct Answer
(A) \(A\) and \(B\)
Step-by-step Solution
Detailed explanation
Isotonic solutions have same molar concentration of solute particles in solution. Molar concentration of particles in solution are \(0.1 \mathrm{M}\) in glucose, \(2 \times 0.05 \mathrm{M}\) in \(\mathrm{NaCl}, 3 \times 0.05\) in
\(\mathrm{BaCl}_{2}\) and \(4 \times 0.1\) in \(\mathrm{AlCl}_{3} .\) Therefore, \(0.1 \mathrm{M}\)
glucose and \(0.05\) M NaCl solutions are isotonic.
\(\mathrm{BaCl}_{2}\) and \(4 \times 0.1\) in \(\mathrm{AlCl}_{3} .\) Therefore, \(0.1 \mathrm{M}\)
glucose and \(0.05\) M NaCl solutions are isotonic.
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