The IUPAC name of the given compound is : 
 

 

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 |
 74%
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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 |
 77%
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The number of primary amines of the formula C4H11N are :

1. 1 2. 3
3. 4 4. 5
Subtopic:  Structural Isomers |
From NCERT
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An isomer of ethanol is-

1. Methanol 2. Diethyl ether
3. Acetone 4. Dimethyl ether
Subtopic:  Structural Isomers |
 71%
From NCERT
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The compounds that show geometrical isomerism among the following are:

a. 2-Butene

b. Propene

c. 1-Phenylpropene

d. 2-Methylbut-2-ene

1. a, b

2. c, d

3. a, b, c

4. a, c

Subtopic:  Stereo Isomers |
 71%
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Paper chromatography is an example of-

1. Partition chromatography

2. Thin layer chromatography

3. Column chromatography

4. Adsorption chromatography

Subtopic:  Purification of Organic Compounds |
 72%
From NCERT
NEET - 2020
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Compare the stability of the two resonating structures given below and mark the correct option:

1. (I)  is more stable than (II)

2. (II) is more stable than (I)

3. (I) and (II) both have the same stability 

4. None of the above

Subtopic:  Electron Displacement Effects |
 76%
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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%
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The pair of structures that does not represent isomers is:

1. 2.
3. 4.

Subtopic:  Structural Isomers |
 66%
From NCERT
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The aromatic compound among the following is:-

1. 2.
3. 4.
Subtopic:  Aromaticity & Polarity |
 75%
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