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11th CBSE
IMPORTANT
Earn 100

 Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with asterisk is most electronegative?

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Important Questions on Organic Chemistry – Some Basic Principles and Techniques

EASY
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 5
In which of the following, functional group isomerism is not possible?
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11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 6
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is:
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11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 7
During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?
HARD
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 8

The principle involved in paper chromatography is

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11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 9

What is the correct order of decreasing stability of the following cations?

I. CH3-C⊕H-CH3

II. CH3-C⊕H-OCH3

III. CH3-C⊕H-CH3-OCH3

 

HARD
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 10
Correct IUPAC name for Question Image is _____.
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11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 11
In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?
HARD
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 12 - Organic Chemistry – Some Basic Principles and Techniques>Multiple Choice Questions (Type-I)>Q 12
Ionic species are stabilized by the dispersal of charge. Which of the following carboxylate ion is the most stable?