Organic Chemistry - Some Basic Principles and Techniques questions
1502 published questions with worked solutions.
- Schiff's and Piria's method is used for the estimation of:
- In organic chemistry, the element which is estimated by difference is:
- Two substances, when separated out on the basis of their extent of adsorption by one material, the phenomenon is:
- For a compound to be purified by steam distillation:
- Reactions between organic compounds are generally slow because they are:
- Separation of organic compounds by column chromatography is due to:
- The scientist who gave the chromatography concept is:
- Turpentine oil can be purified by:
- Which method cannot be used for purification of liquids?
- Steam distillation is a better method of purification for ...... compounds.
- An organic substance from its aqueous solution can be separated by:
- Aniline is purified by:
- An organic compound is fused with fusion mixture and extracted with HNO₃. The extract gives a yellow precipitate with ammonium...
- Distillation under reduced pressure in principle resembles:
- Distillation involves all the following processes except:
- There are several criteria of purity of organic compounds. Which is considered to be the best?
- Simple distillation can be used to separate:
- An organic compound X contains Y and Z as impurities. Their solubilities differ only slightly. They may be separated by:
- A mixture of camphor and NaCl can be separated by:
- A mixture contains four solid organic compounds A, B, C, D. On heating only C changes from solid to vapour. C can be separated...
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