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WorksheetsSK025: CHEMICAL TEST OF ORGANIC CHEMISTRY (LEVEL 2)
Total questions: 10
Worksheet time: 30mins
Compound A, give positive result if react with bromine in carbon tetrachloride. Predict the compound A.
2-butanol
2-butene
2-butanone
butane
Compound X can't oxidise if react with acidified potassium permanganate heated but immediately cloudy after react with concentrated
hydrochloric acid and anhydrous zinc chloride. Predict compound X.
1-butanol
2-butanol
2-methyl-2-butanol
2-methyl-1-butanol
Compound AA give silver mirror precipitate after react with aqueous ammonium
silver nitrate. Predict compound AA?
2-butene
2-butanone
butanal
butanoic acid
Compound W give positive result after react with 2,4-DNPH but can't react with tollens' reagent. Predict the compound W.
pentanal
2-pentanol
2-pentanone
pentane
Compound G can be react with excess alkaline iodine to give positive result, and cloudy solution formed within 5-10 minutes after react with Lucas reagent's. Predict compound G.
1-pentanol
2-pentanol
3-pentanol
2-methyl-2-pentanol
Compound H (C6H6O) show white precipitate formed after react with bromine solution. Predict structure H.
Aniline
Benzoic acid
Phenol
Toluene
Structure G can be react with alkaline potassium permanganate in cold condition to give purple colour of KMnO4 decolorised and brown precipitate. Predict structure G.
cyclobutane
cyclobutanol
cyclobutene
cyclobutanone
Structure A release gas nitrogen after react with nitrous acid. Predict structure A.
1-butanamine
N-methyl-2-propanamine
aniline
N-methylaniline
Compound K give positive result after react with Cu2+ ion in basic medium and alkaline excess iodine. Predict compound K.
ethanal
propanone
butanal
butanone
Compound HH is added to alkaline
solution of benzenesulphonyl chloride, two layers
are form which dissolve upon acidification. Predict compound HH.
1-propanamine
N,N-dimethyl-1-propanamine
N-methyl-1-propanamine
N-methyl-2-propanamine
