The effect that makes 2,3–dimethyl-2-butene more stable than 2-butene is-

1. Resonance

2. Hyperconjugation

3. Steric effect

4. Inductive effect

Subtopic:  Electron Displacement Effects |
 83%
Level 1: 80%+
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Which types of isomerism can be exhibited by compounds with the molecular formula C4​H1​1N?
1. Position isomerism
2. Metamerism
3. Functional isomerism
4. All of the above

Subtopic:  Structural Isomers |
 79%
Level 2: 60%+
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The IUPAC name of the above mentioned compound is - 

1. Cyclohexylidenemethanone

2. Cyclohexylidemethanone

3. Cyclohexylidenylmethanone

4. Cyclohexdenemethanone

Subtopic:  Nomenclature |
 57%
Level 3: 35%-60%
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A tertiary butyl carbocation is more stable than a secondary butyl carbocation because-

1. + R effect of CH3 groups 

2. -R effect of - CH3  groups 

3. Hyperconjugation 

4. -l effect of -CH3 groups 

Subtopic:  Electron Displacement Effects | Reaction Intermediates ; Preparation & Properties |
 76%
Level 2: 60%+
NEET - 2020
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What is the IUPAC name of this compound?
 

 

1. 2–Bromo-3–methylbutanoic acid

2. 2-Methyl-3-bromobutanoic acid

3. 3-Bromo-2-methylbutanoic acid

4. 3-Bromo-2,3-dimethylpropanoic acid.

Subtopic:  Nomenclature |
 75%
Level 2: 60%+
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The correct reactivity order towards hydrolysis is:

1. Q>R>S>P 2. Q>P>R>S
3. S>R>Q>P 4. Q>S>R>P
Subtopic:  Electron Displacement Effects |
 62%
Level 2: 60%+
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The compound that contains only sp³ hybridized carbon atoms is:

1.  HCOOH

2.  NH22CO

3.  CH33COH

4.  CH3CHO

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 81%
Level 1: 80%+
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The \(C - H\) bond distance is longer in - 

1. \(C_2H_2\) 2. \(C_2H_4\)
3. \(C_2H_6\) 4. \(C_2H_2Br_2\)
Subtopic:  Hybridisation & Structure of Carbon Compounds |
 76%
Level 2: 60%+
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The total number of isomers of C4H8 are-

1. 8 2. 7
3. 6 4. 5
Subtopic:  Structural Isomers |
Level 3: 35%-60%
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Which of the following compounds is optically active?

1. Butane

2. 2-Methylpentane

3. 4-Methylpentane

4. 3-Methylhexane

Subtopic:  Stereo Isomers |
 71%
Level 2: 60%+
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