The free radical which is most stable is

Important Questions on Organic Chemistry - Some Basic Principles and Techniques

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 46

In which of the following, carbon atom has sextet of electrons?

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 47

Towards catalytic hydrogenation, the least reactive compound is

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 48

Which of the following reaction is an example of $\mathrm{\beta }$-elimination?

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 49

In which of the following reaction formation of reaction intermediate does not take place?

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 50

Which of the following is not a heterocyclic aromatic compound?

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 51

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Cl}\stackrel{ \mathrm{aq}. \mathrm{KOH}}{⟶}{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}$.
The reaction is

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 52

Sulphur cannot be detected by

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Gamma Question Bank for Medical Chemistry>Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques>EXERCISE>Q 53

If an organic compound contains both $\mathrm{N}$ and $\mathrm{S}$; the appearance of blood red colour takes place in Lassaigne test due to formation of