For making distinction between 2-pentanone and 3-pentanone the reagent to be employed is
Options
(a) K₂Cr₂O₇/H₂SO₄ (b) Zn-Hg / HCl (c) SeO₂ (d) iodine/NaOH
Correct Answer:
iodine/NaOH
Explanation:
Due to the presence of active […]
Benzaldehyde gives a position test with
Options
(a) Tollen’s reagent (b) Fehling solution (c) Benedict’s solution (d) all of these
Correct Answer:
Fehling solution
Explanation:
No explanation available. Be the first to write […]
Oleic,stearic and palmitic acids are
Options
(a) nucleic acid (b) fatty acid (c) amino acid (d) nitric acid
Correct Answer:
fatty acid
Explanation:
Oleic acid CH₃(CH₂)₇ CH = CH(CH₂)₇COOH.
Stearic acid CH₃(CH₂)₁₆COOH.
Palmitic acid […]
Schiff’s reagent is
Options
(a) alkaline CuSO₄ stabilised by Rochelle salt (b) ammoniacal silver nitrate (c) rosaniline solution in water decolourised by SO₂ (d) resorcinol solution in dilute HClO₂
Correct Answer:
rosaniline solution […]
The compound that gives both iodoform and Fehling’s tests is
Options
(a) ethanol (b) propanone (c) 2-butanol (d) ethanal
Correct Answer:
ethanal
Explanation:
CH₃CHO gives test for aldehyde (Fehling’s test) and iodoform test. […]
Acetic acid will be obtained on oxidation of
Options
(a) ethanol (b) propanal (c) methanal (d) glyoxal
Correct Answer:
ethanol
Explanation:
No explanation available. Be the first to write the explanation for this […]
Acetaldehyde can not show
Options
(a) iodoform test (b) Lucas test (c) Benedict’s test (d) Tollen’s test
Correct Answer:
Lucas test
Explanation:
Acetaldehyde cannot show Lucas test because lucas test is given by […]
Benzoic acid with Ba(OH)₂ gives
Options
(a) barium benzoate (b) benzaldehyde (c) benzene (d) toluene
Correct Answer:
benzene
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Which one of the following is produced when acetone is saturated with HCl gas
Options
(a) Acetone alcohol (b) Phorone (c) Mesityl oxide (d) Benzene
Correct Answer:
Mesityl oxide
Explanation:
No explanation available. […]
The reduction of benzoyl chloride with H₂/Pd BaSO₄ gives
Options
(a) benzoic acid (b) toluene (c) benzaldehyde (d) benzyl alcohol
Correct Answer:
benzaldehyde
Explanation:
No explanation available. Be the first to write the […]
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