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WorksheetsChemical Test
Total questions: 12
Worksheet time: 11mins
Propene will react with bromine in dichloromethane to form 1,2-dibromopropane. Which of the following observations is correct?
Brown precipitate formed
Reddish brown colour decolourised
No observable change
Purple colour decolourised
Baeyer’s test is used to differentiate butane from 2-butene. The reagent is;
Hot acidified KMnO4
Cold alkaline dilute KMnO4
Hot acidified K2Cr2O7
Bromine in dichloromethane
The suitable reagent to differentiate the three classes of alcohol is;
Hot acidified potassium permanganate
Concentrated hydrochloric acid and anhydrous zinc chloride
Alkaline excess iodine
2,4-dinitrophenylhydrazine
Which of the following is the reagent for Iodoform test?
I2, NaOH
I2, H+
I2, CH2Cl2
I2, H2O
Phenol, C6H6O, produced white precipitate when reacted with solution X.
State the name of the chemical test involved.
Lucas test
Iodoform test
Bromine water
Hinsberg's test
Compound S, C7H6O, gives an orange precipitate with 2,4-dinitrophenylhydrazine.
State the name of the chemical test involved.
Unsaturated Test
Lucas Test
Iodoform Test
Brady's Test
What is the reagent for Tollens’ test?
2,4-DNPH
alkaline excess I2
Cu2+, OH-
[Ag(NH3)2]+ , OH-
Which of the following tests give brick red precipitate upon mixing with butanal?
Brady's test
Tollens' Test
Baeyer's Test
Fehling Test
Which compound gives a brick red precipitate when reacted with Cu2+ ion in basic medium?
Choose the correct observation when ethanamine, a primary aliphatic amine, reacted with Hinsberg's Test upon addition of excess KOH and addition of HCl respectively.
Clear solution, white precipitate
White precipitate, clear solution
White precipitate, white precipitate
Clear solution, clear solution
Which of the following is the observation when a secondary aliphatic amine is reacted with NaNO2 and HCl, in 0 - 5 0C?
Green precipitate
Yellow oil
Gas bubble releases
Clear solution
Which compound releases nitrogen gas when reacted with nitrous acid?
