Which one of the following pairs represents stereoisomerism
Options
(a) Structural isomerism and geometric isomerism (b) Optical isomerism and geometric isomerism (c) Chain isomerism and rotational isomerism (d) Linkage isomerism and geometric isomerism
Reaction of HBr with propene in the presence of peroxide gives
Options
(a) iso-propyl bromide (b) 3-bromo propane (c) allyl bromide (d) n-propyl bromide
Correct Answer:
allyl bromide
Explanation:
No explanation available. Be […]
Geometrical isomers differ in
Options
(a) position of functional groups (b) position of atoms (c) spatial arrangement of atoms (d) length of carbon chain
Correct Answer:
spatial arrangement of atoms
Explanation:
Geometrical isomers […]
Dihedral angle in staggered form of ethane is
Options
(a) 0⁰ (b) 120⁰ (c) 60⁰ (d) 180⁰
Correct Answer:
60⁰
Explanation:
No explanation available. Be the first to write the explanation for this […]
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 […]
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