Chemistry › Solutions › Colligative Properties and Abnormal Molecular Masses
Match the item given in Column-I (method used for determining colligative property) and Column-II (for the…
Match the item given in Column-I (method used for determining colligative property) and Column-II (for the corresponding colligative property) and find the correct order.
\(\begin{array}{|c|c|c|}
\hline & \text { Column I } & \text { Column II } \\
\hline \text { A. } & \text { Beckmann method } & \text { 1. Osmotic pressure } \\
\hline \text { B. } & \begin{array}{l}
\text { Ostwald-Walker method }
\end{array} & \text { 2. Elevation in B.P } \\
\hline \text { C. } & \begin{array}{l}
\text { Berkeley-Hartley method }
\end{array} & \text { 3. Depression in F.P. } \\
\hline \text { D. } & \text { Landsberger method } & \begin{array}{l}
\text { 4. Relative lowering of vapour pressure }
\end{array} \\
\hline
\end{array}\)
\(\begin{array}{llll} \mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 2 & 4 & 3 & 1 \\ \end{array}\) \(\begin{array}{llll} \mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 1 & 4 & 2 & 3 \\ \end{array}\) \(\begin{array}{llll} \mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 2 & 3 & 4 & 1 \end{array}\) \(\begin{array}{llll} \mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 3 & 4 & 1 & 2 \end{array}\) Solution
The correct matching between Column I and Column II are
(A) Backmann method - Depression in freezing point
(B) Ostwald-Walker method - RLVP
(C) Barkeley-Hartley method-Osmotic pressure
(D) Landsberger method - Elevation in boiling point Thus, correct answer is option (d).
Asked in: AP EAMCET 2020 (18 Sep Shift 2)
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