Q39. Which of the following statements are correct? A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point. B. Aniline can be purified by steam distillation as aniline is miscible in water. C. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope. D. An organic compound is pure, if mixed M.P. is remained same. Choose the most appropriate answer from the options given below : (1) A, B, C only (2) A, C, D only (3) A, B, D only (4) B, C, D only Q40. [Figure] (X) Which of the following is metamer of the given compound $( \mathrm { X } )$ ? (1) [Figure] (2) [Figure] (3) [Figure] (4) [Figure]
Q39. Which of the following statements are correct? A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point. B. Aniline can be purified by steam distillation as aniline is miscible in water. C. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope. D. An organic compound is pure, if mixed M.P. is remained same. Choose the most appropriate answer from the options given below :\\
(1) A, B, C only\\
(2) A, C, D only\\
(3) A, B, D only\\
(4) B, C, D only
Q40.\\
\includegraphics[alt={}]{smile-6354f27efb9e1a838a4658f9ff512f7e58c9d7c4}
(X)
Which of the following is metamer of the given compound $( \mathrm { X } )$ ?
(1)\\
\includegraphics[alt={}]{smile-ce4d0ba3064ff2065592663d87f8d21bbc7496b7}
(2)\\
\includegraphics[alt={}]{smile-cb0bb2d54ea0ba9c6619c49b5eacb20808086604}
(3)\\
\includegraphics[alt={}]{smile-fdc8e874db2a901549346196cd64491b9b022984}
(4)\\
\includegraphics[alt={}]{smile-c2e1466cfdcc67b0e8a5f1ae1baea593383ce619}