The latest technique for the purification of organic concept is
The latest technique for the purification of organic concept is Options (a) chromatography (b) fractional distillation (c) crystallization (d) vaccum…
7 years ago
Chemistry
Benzene is obtained by the fractional distillation of
Benzene is obtained by the fractional distillation of Options (a) light oil (b) heavy oil (c) middle oil (d) anthracene…
7 years ago
The inert form of carbon is
The inert form of carbon is Options (a) coal (b) diamond (c) graphite (d) charcoal Correct Answer: diamondExplanation:No explanation available.…
7 years ago
A nucleophile must have
A nucleophile must have Options (a) a negative charge (b) a positive charge (c) a lone pair of electrons (d)…
7 years ago
Cyclopentadienyl anion is
Cyclopentadienyl anion is Options (a) aromatic (b) non-aromatic (c) non-planar (d) aliphatic Correct Answer: aromaticExplanation:No explanation available. Be the first…
7 years ago
C₆H₆ consists of one ring,while naphthalene consists of two rings. Both
C₆H₆ consists of one ring,while naphthalene consists of two rings. Both of them are aromatic and obey the (4n+2) rule.Thus…
7 years ago
When CO₂ is passed through solution of calcium hydroxide,Which one of the
When CO₂ is passed through solution of calcium hydroxide,Which one of the following compound is precipitated Options (a) Ca(HCO₃)₂ (b)…
7 years ago
Only sp and sp² hybrid orbitals are involved in the formation of
Only sp and sp² hybrid orbitals are involved in the formation of Options (a) CH₃ – CH = CH₂ (b)…
7 years ago
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
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