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Chemistry
University
CHEMICAL TEST OF ORGANIC COMPOUNDS (SERIES 3)
12 questions
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- 1. Multiple Choice
An organic P forms a light yellow precipitate when reacted with alkaline excess iodine solution.
State the name of chemical test involved:
Iodoform test
Baeyer’s test
Tollen’s test
Brady’s test
- 2. Multiple Choice
When 2-methyl-1-propanol react with concentrated hydrochloric acid and anhydrous zinc chloride, no cloudy solution formed after 10 minutes.
State the name of chemical test involved:
nitrous acid test
Hinsberg’s test
Lucas test
Tollens’ test
- 3. Multiple Choice
Compound S, C7H6O gives a orange precipitate with 2,4-dinitrophenylhydrazine.
State the name of chemical test involved:
Unsaturated Test
Lucas Test
Iodoform Test
Brady Test
- 4. Multiple Choice
GG reacts with an alkaline solution of benzenesulphonyl chloride to form a
precipitate, KK which does not dissolve on acidification. When HH is added to alkaline
solution of benzenesulphonyl chloride, two layers are form which dissolve upon acidification.
State the name of chemical test involved:
Nitrous acid test
Iodoform test
Baeyer's test
Hinsberg test
- 5. Multiple Choice
Compound with molecular formula of C9H10O is a monosubstituted benzene. It does not decolourise bromine in carbon tetrachloride.
State the name of chemical test involved:
Lucas test
Unsaturated test
Baeyer's test
Lucas test
- 6. Multiple Choice
Compounds P and Q are carbonyl group but there are no observable changes when reacted with I2 /NaOH.
State the name of chemical test involved:
Brady test
Iodoform test
Tollen's test
Schiff test
- 7. Multiple Choice
Compound with molecular formula of C9H10O is a monosubstituted benzene. It forms a yellow precipitate when treated with 2,4-DNPH.
State the name of chemical test involved:
Tollen's test
Brady test
Schiff test
Benedict's test
- 8. Multiple Choice
Compound R, C5H8 is a cyclic hydrocarbon. It decolourised potassium permanganate and form brown precipitate when reacted with alkaline potassium permanganate in cold condition.
State the name of chemical test involved:
Oxidation
Iodoform test
Baeyer's test
Hinsberg test
- 9. Multiple Choice
Compound M, C7H6O gives a brick red precipitate when react with Cu2+ ion in basic medium.
State the name of chemical test involved:
Schiff test
Fehling's test
Tollen's test
Brady test
- 10. Multiple Choice
An alcohol X, C6H6O produced white precipitate when reated with bromine solution.
State the name of chemical test involved:
Lucas test
Iodoform test
Bromine water
Hinsberg test
- 11. Multiple Choice
Compound K, C4H8O produced silver mirror precipitate after reacted with aqueous ammonium silver nitrate.
State the name of chemical test involved:
Tollen's test
Schiff's test
Brady's test
Fehling's test
- 12. Multiple Choice
When a compound with a molecular formula of C4H11N is treated with nitrous acid, HNO2 bubble gas of N2 is released below 5oC.
State the name of chemical test involved:
Hinsberg test
Nitrous acid test
Lucas test
Schiff test
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