Aldehydes and ketones will not form crystalline derivatives with
(a) sodium bisulphite
(b) phenyl hydrazine
(c) semicarbazide hydrochloride
(d) dihydrogen sodium phosphate
Difficulty Level:
Difficulty Level:
Which of the following compounds with molecular formula, C5H10 yields acetone on ozonolysis?
(a) 2-methyl-2-butene
(b) 3-methyl-1-butene
(c) Cyclopentane
(d) 2-methyl-1-butene
Difficulty Level:
Among acetic acid, phenol and n-hexanol which one of the following compound will react with NaHCO3 solution to give sodium salt and CO2?
(a) Acetic acid
(b) n-hexanol
(c) Acetic acid and phenol
(d) Phenol
Difficulty Level:
The reagent used for the separation of acetaldehyde from acetophenone is
(1) NaHSO3 (2) C6H5NHNH2 (3) NH2OH (4) NaOH and I2
Difficulty Level:
Difficulty Level:
Two isomeric ketones 3-Pentanones and 2-pentanone can be distinguished by
(a) I2/NaOH only (b) NaHSO3 only
(c) NaCN/HCl (d) both of (a) and (b)
Difficulty Level:
Products of the following reaction
CH3CC.CH2CH3 ... are
(a) CH3CHO + CH3CH2CHO
(b) CH3COOH + CH3COCH3
(c) CH3COOH + HOOC.CH2CH3
(d) CH3COOH + CO2
Difficulty Level:
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
(a) CH3CH2CH=C
(b) CH3CH2CH=CHCH2CH3
(c) CH3CH2CH=CHCH3
(d)
Difficulty Level:
Difficulty Level: