Aniline is separated from aniline-water mixture by
Aniline is separated from aniline-water mixture by Options (a) crystallisation (b) steam distillation (c) solvent extraction (d) differential extraction Correct…
7 years ago
Basic Principles of Organic Chemistry
The covalent bond length is the shortest in which one of the following bonds
The covalent bond length is the shortest in which one of the following bonds Options (a) C – O (b)…
7 years ago
Glycerine is purified by
Glycerine is purified by Options (a) vacuum distillation (b) simple distillation (c) steam distillation (d) sublimation Correct Answer: vacuum distillationExplanation:The…
7 years ago
The number of primary, secondary and tertiary carbons in 3,4-dimethylheptane
The number of primary, secondary and tertiary carbons in 3,4-dimethylheptane are respectively Options (a) 4,3 and 2 (b) 2,3 and…
7 years ago
116 mg of a compound on vaporisation in a Victor Meyer’s apparatus displaces
116 mg of a compound on vaporisation in a Victor Meyer's apparatus displaces 44.8 mL of air measured at S.T.P.…
7 years ago
An organic compound contains 49.3% carbon,6.84% hydrogen and its vapour density
An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of the compound is…
7 years ago
Difference in density is the basis of
Difference in density is the basis of Options (a) ultrafiltration (b) molecular sieving (c) gravity separation (d) molecular attraction Correct…
7 years ago
Chromatography is a valuable method for the separation, isolation,purification
Chromatography is a valuable method for the separation, isolation,purification and identification of the constituents of a mixture and it is…
7 years ago
Which one of the following is not true for the hydrolysis of t-butyl bromide
Which one of the following is not true for the hydrolysis of t-butyl bromide with aqueous NaOH Options (a) reaction…
7 years ago
Reaction of methyl bromide with aqueous sodium hydroxide involves
Reaction of methyl bromide with aqueous sodium hydroxide involves Options (a) racemisation (b) SN1 mechanism (c) inversion of configuration (d)…
7 years ago