Organic Chemistry - Some Basic Principles and Techniques questions
1502 published questions with worked solutions.
- Match each transformation in Column-I with the reaction name in Column-II, and select the correct code: | Column-I | Column-II |...
- Match each named reaction/process in Column-I with the mechanistic feature in Column-II that best characterizes it, and select...
- The acidity of the compounds RCOOH, H₂CO₃, C₆H₅OH, ROH decreases in the order
- Arrange phenol (I), cyclohexanol (II), 2,4,6-trinitrophenol (III) and acetic acid (IV) in order of acidity.
- How will you separate a miscible mixture of C₆H₆ + CHCl₃?
- The most suitable method of separation of a 1:1 mixture of *ortho* and *para* nitrophenols is:
- The presence of carbon in an organic compound can be shown by:
- Generally it is more difficult to purify organic compounds than inorganic compounds because:
- The substance used as an adsorbent in column chromatography is:
- Some organic compounds are purified by distillation at low pressure because the compounds are:
- Chromatographic techniques of purification can be used for:
- A fractionating column is used in:
- In Lassaigne's test for N, S and halogens, the organic compound is:
- In organic compounds sulphur is estimated as:
- The technique of gas chromatography is suitable for compounds which are:
- A bottle containing two immiscible liquids is given to you. These may be separated by:
- 0.5 g of an organic compound containing nitrogen on Kjeldahlising required 29 mL of N/5 H₂SO₄ for complete neutralization of the...
- An organic compound contains C, H and S. When C and H are to be estimated, the combustion tube at the exit should contain a:
- In steam distillation, the vapour pressure of the volatile organic compound is:
- Separation of petroleum into its components is mostly done by:
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