Which amongst the following compounds will show geometrical isomerism?
1. Pent-1-ene
2. 2,3-Dimethylbut-2-ene
3. 2-Methylprop-1-ene
4. 3,4-Dimethylhex-3-ene    
Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The dihedral angle of the least stable conformer of ethane is:

1. 60° 2.
3. 120° 4. 180°
Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) β-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction

1. (a), (c), (d) 2. (b), (c), (d)
3. (a), (b), (d) 4. (a), (b), (c)

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism | Aliphatic Hydrocarbon - Methods of Preparation |
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Which of the following is a free radical substitution reaction?

1. Benzene with Br2/AlCl3

2. Acetylene with HBr

3. Methane with Br2/hv

4. Propene with HBr/(C6H5COO)2

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism | Alkanes, Alkenes and Alkynes - Chemical Properties |
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An alkene "A" on reaction with O3 and Zn-H2O gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

1. 2.
3. 4.
Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The most suitable reagent for the following conversion is-

1.  Hg2+/ H+, H2O

2. Na/liquid NH3

3. H2, Pd/C, quinoline

4. Zn/HCl

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is:

1.  The eclipsed conformation of ethane is more stable than staggered conformation because eclipsed conformation has no torsional strain.
2. The eclipsed conformation of ethane is more stable than staggered conformation even though the eclipsed conformation has a torsional strain.
3. The staggered conformation of ethane is more stable than eclipsed conformation because staggered conformation has no torsional strain.
4. The staggered conformation of ethane is less stable than eclipsed conformation because staggered conformation has a torsional strain.

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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Product Z in the above-mentioned reaction is:

1. CH3-(CH2)3-O-CH2CH3

2. (CH3)2CH2-O-CH2CH3

3. CH3(CH2)4-O-CH3

4. CH3CH2-CH(CH3)-O-CH2CH3

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The isobutyl group among the following is:
 

1.
2. CH3–CH2–CH2–CH2
3.
4.
Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The incorrect IUPAC name among the following is:

1.
2.
3.
4.

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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