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JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Colligative properties of electrolyte

  • question_answer
    In equimolar solution of glucose, \[NaCl\] and \[BaC{{l}_{2}}\], the order of osmotic pressure is as follow [CPMT 1988, 93; MP PMT/PET 1988; MP PET 1997, 2003]

    A)                 Glucose \[>\,NaCl\,\,>\,\,BaC{{l}_{2}}\]

    B)                 \[NaCl\,\,>\,\,BaC{{l}_{2}}\,\,>\] Glucose

    C)                 \[BaC{{l}_{2}}\,\,>\,\,NaCl\,\,>\] Glucose

    D)                 Glucose \[>\,\,BaC{{l}_{2}}\,\,>\,\,NaCl\]

    Correct Answer: C

    Solution :

             \[BaC{{l}_{2}}\] Þ \[B{{a}^{2+}}+2C{{l}^{-}}=3\]ion         \[NaCl\] Þ \[N{{a}^{+}}+C{{l}^{-}}=2\]ion         Glucose Þ No ionisation                 \ \[BaC{{l}_{2}}>NaCl>\text{Glucose}\]


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