The correct order for acid strength of compounds CH ≡ CH , CH 3 - C ≡ CH and CH 2 = CH 2 is as follows:

HC ≡ CH > CH 3 - C ≡ CH > CH 2 = CH 2

CH 3 - C ≡ CH > CH ≡ CH > CH 2 = CH 2

CH ≡ CH > CH 2 = CH 2 > CH 3 - C ≡ CH

CH 2 - C ≡ CH > CH 2 = CH 2 > HC ≡ CH

Consider the following four compounds I, II, III, and IV. Choose the correct statement(s).

Steric effect makes compound IV more basic than III .

The order of basicity is II > I > III > IV .

The magnitude of pK b difference between I and II is more than that between III and IV .

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Mesomeric effect involves delocalisation of:

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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‘ X ’

showing the following solubility profile is:
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The correct order for acid strength of compounds

CH \equiv CH, {CH}_{3} - C \equiv CH

and

{CH}_{2} = {CH}_{2}

is as follows:

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The correct order of basicity is

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N

which contribute least to the basicity of the compound is :
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{CH}_{3} COCl (I), {CH}_{3} - CO - O - {COCH}_{3} (II)

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and

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is of the order

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The increasing order of the

{p K}_{b}

of the following compund is:

(A)

(B)

(C)

(D)

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p K_{b}

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Consider the following compounds

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Consider the following four compounds I, II, III, and IV.

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Choose the correct statement(s).

Mesomeric effect involves delocalisation of:

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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