The molecular weight of a gas is 45. Its density at STP is
The molecular weight of a gas is 45. Its density at STP is
Options
(a) 22.4 (b) 11.2 (c) 5.7 (d) 2
Correct Answer:
2
Explanation:
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Basic Principles of Organic Chemistry
The C – C bond length in ethane is
The C – C bond length in ethane is
Options
(a) 1.54 A⁰ (b) 1.34 A⁰ (c) 1.39 A⁰ (d) 1.20 A⁰
Correct Answer:
1.54 A⁰
Explanation:
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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 distillation
Correct Answer:
chromatography
Explanation:
The latest technique for the purification of organic […]
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 oil
Correct Answer:
light oil
Explanation:
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The inert form of carbon is
The inert form of carbon is
Options
(a) coal (b) diamond (c) graphite (d) charcoal
Correct Answer:
diamond
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
A nucleophile must have
A nucleophile must have
Options
(a) a negative charge (b) a positive charge (c) a lone pair of electrons (d) an electron deficient centre
Correct Answer:
a negative charge
Explanation:
No explanation available. […]
Cyclopentadienyl anion is
Cyclopentadienyl anion is
Options
(a) aromatic (b) non-aromatic (c) non-planar (d) aliphatic
Correct Answer:
aromatic
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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 the number of π-electrons inside rings of C₆H₆ and naphthalene are respectively
Options
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) CaO (c) CaCO₃ (d) Ca(OH)₂
Correct Answer:
CaCO₃
Explanation:
No explanation available. Be […]
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) CH₃ – CH₃ (c) CH₃ – C ≡ CH (d) CH₂ = C […]