Which of the following gives methane on hydrolysis
Which of the following gives methane on hydrolysis
Options
(a) CaC₂ (b) Al₄C₃ (c) Al₂O₃ (d) Fe₃O₄
Correct Answer:
Al₄C₃
Explanation:
Al₄C₃ + 12H₂O → 4Al(OH)₃ + 3CH₄↑
Chemistry
The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
Options
(a) Wurtz reaction (b) Perkin’s reaction (c) Aldol condensation (d) Levit reaction
Correct Answer:
Wurtz […]
Which of the following group activates the benzene ring most towards electrophili
Which of the following group activates the benzene ring most towards electrophilic substitution
Options
(a) –CHO (b) –NR₂ (c) –NHCOCH₃ (d) –NO₂
Correct Answer:
–NR₂
Explanation:
No explanation available. Be the first to […]
The electrophile in the nitration of benzene is
The electrophile in the nitration of benzene is
Options
(a) NO₂⁺ (b) NO₂ (c) NO⁺ (d) NO₂⁻
Correct Answer:
NO₂⁺
Explanation:
Nitronium ion (NO₂⁺) is an electrophile that actually attacks on the benzene […]
The most common type of reaction in aromatic compounds is
The most common type of reaction in aromatic compounds is
Options
(a) elimination reaction (b) addition reaction (c) electrophilic substitution reaction (d) rearrangement reaction
Correct Answer:
electrophilic substitution reaction
Explanation:
Aromatic hydrocarbons show […]
Which one of the following is a non-benzenoid aromatic compound
Which one of the following is a non-benzenoid aromatic compound
Options
(a) Aniline (b) Benzoic acid (c) Naphthalene (d) Tropolone
Correct Answer:
Tropolone
Explanation:
Tropolone is a non-benzenoid aromatic compound.
Which one among the following is most reactive towards electrophilic substitution
Which one among the following is most reactive towards electrophilic substitution reaction
Options
(a) Aniline (b) Nitrobenzene (c) benzoic acid (d) Acetanilide
Correct Answer:
Aniline
Explanation:
Aniline, -NH₂ group is highly activating group […]
The compound which contains all the four 1°,2°,3° and 4° carbon atoms is
The compound which contains all the four 1°,2°,3° and 4° carbon atoms is
Options
(a) 2,3-dimethylpentane (b) 3-chloro-2,3-dimethylpentane (c) 2,3,4-trimethylpentane (d) 3,3-dimethylpentane
Correct Answer:
3-chloro-2,3-dimethylpentane
Explanation:
No explanation available. Be the first to […]
Calcium carbide on reaction with water yields
Calcium carbide on reaction with water yields
Options
(a) methane (b) ethane (c) ethene (d) ethyne
Correct Answer:
ethyne
Explanation:
No explanation available. Be the first to write the explanation for this question […]
In the presence of Lewis acid toluene reacts with chlorine to give
In the presence of Lewis acid toluene reacts with chlorine to give
Options
(a) m-chlorotoluene (b) o,p-chlorotoluene (c) benzylchloride (d) none of these
Correct Answer:
o,p-chlorotoluene
Explanation:
No explanation available. Be the first […]