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In the following compounds, the decreasing order of basic strength will be:

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Which of the following compounds will be suitable for Kjeldahl's method for nitrogen estimation?
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Which of the following statements is not true about partition chromatography?
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A chromatography column, packed with silica gel as stationary phase, was used to separate a mixture of compounds consisting of A benzanilide B aniline and C acetophenone. When the column is eluted with a mixture of solvents, hexane:ethyl acetate 20:80 , the sequence of obtained compounds is:
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In the following reaction sequence, structures of A and B are, respectively

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A solution of m- chloroaniline, m- chlorophenol, and m- chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A . The leftover organic phase was extracted with a dilute NaOH solution to give a fraction B . The final organic layer was labelled as a fraction C . Fractions A,B and C, contain respectively: