In Friedel-Craft’s alkylation, besides AlCl₃ the other reactants are
Options
(a) C₆H₆ + CH₃Cl (b) C₆H₆ + CH₄ (c) C₆H₆ + NH₂ (d) C₆H₆ + CH₃COCl
Correct Answer:
C₆H₆ + CH₃Cl
Explanation:
No […]
The most stable conformation of n-butane is
Options
(a) gauche (b) staggered (c) skew boat (d) eclipsed
Correct Answer:
staggered
Explanation:
No explanation available. Be the first to write the explanation for this […]
The cylindrical shape of an alkyne is due to
Options
(a) two sigma C – C and one π C – C bonds (b) one sigma C – C and two π C […]
Electrophile in the case of chlorination of benzene in the presence of FeCl₃ is
Options
(a) Cl (b) FeCl₃ (c) Cl⁺ (d) Cl⁻
Correct Answer:
Cl⁺
Explanation:
No explanation available. Be the first […]
Which of the following has zero dipole moment
Options
(a) 1-Butene (b) 2-Methyl,1-Propene (c) Cis 2-butene (d) Trans 2-butene
Correct Answer:
Trans 2-butene
Explanation:
No explanation available. Be the first to write the […]
The reactive species in the nitration of benzene is
Options
(a) NO₃ (b) NHO₃ (c) NO₂⁺ (d) NO₂⁻
Correct Answer:
NO₂⁺
Explanation:
Nitronium ion (NO₂⁺) is an electrophile that actually attacks on the […]
Which of the following gives propyne on hydrolysis
Options
(a) Al₄C₃ (b) Mg₂C₃ (c) B₄C (d) La₄C₃
Correct Answer:
Mg₂C₃
Explanation:
No explanation available. Be the first to write the explanation for this […]
The dipole moment is the highest for
Options
(a) trans-2-butene (b) 1,3-dimethylbenzene (c) acetophenone (d) ethanol
Correct Answer:
acetophenone
Explanation:
The value of dipole moment of acetophenone is 3 debye,which is maximum among […]
Which of the following is a chiral compound
Options
(a) Hexane (b) n-butane (c) Methane (d) 2,3,4-trimethyl hexane
Correct Answer:
2,3,4-trimethyl hexane
Explanation:
No explanation available. Be the first to write the explanation […]
Rate determining step in nitration of benzene is
Options
(a) formation of NO₂⁺ (b) formation of carbocation (c) replacement of H atom (d) none of these
Correct Answer:
formation of carbocation
Explanation:
The […]
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