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Question
Give a simple chemical test to distinguish between the following pair of compounds:
Acetophenone and Benzophenone
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Solution
Acetophenone gives iodoform test, but benzophenone does not.
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An organic compound contains 69.77% carbon, 11.63% hydrogen and rest oxygen. The molecular mass of the compound is 86. It does not reduce Tollens’ reagent but forms an addition compound with sodium hydrogensulphite and give positive iodoform test. On vigorous oxidation it gives ethanoic and propanoic acid. Write the possible structure of the compound.
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Which of the following compounds will give butanone on oxidation with alkaline \[\ce{KMnO4}\] solution?
Which of the following compounds gives a positive Tollen's test but negative Fehling's test?
Acetaldehyde cannot show?
Which of the following tests/reactions is given by aldehydes as well as ketones?
What is the composition of Fehling's reagent?
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
Choose the reaction which is not possible:
An organic compound 'A' with molecular formula C5H8O2 is reduced to n-pentane with hydrazine followed by heating with NaOH and glycol. 'A' forms a dioxime with hydroxylamine and gives a positive iodoform and Tollen's test. Identify 'A' and give its reaction for iodoform and Tollen's test.
Benzaldehyde is obtained from Rosenmund’s reduction of:
Match List-I with List-II:
| List-I (Reaction) |
List-II (Reagents/Condition) |
||
| A. |  |
I. |  |
| B. |  |
II. | CrO3 |
| C. |  |
III. | KMnO4/KOH, Δ |
| D. |  |
IV. | (i) O3 (ii) Zn-H2O |
Choose the correct answer from the options given below:
