The IUPAC name of the compound is:

3 , 3 - dimethyl - 1 - cyclohexanol

3 , 3 - dimethyl - 1 - hydroxy cyclohexane

1 , 1 - dimethyl - 3 - hydroxy cyclohexane

1 , 1 - dimethyl - 3 - cyclohexanol

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

The correct statement regarding the basicity of aryl amines is:

Aryl amines are generally less basic than alkyl amines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring π electron system.

Aryl amines are generally more basic than alkyl amines because the nitrogen lone-pair electrons are not delocalized by interaction with the aromatic ring π electron system.

Aryl amines are generally more basic than alkyl amines because of aryl group.

Aryl amines are generally more basic than alkyl amines, because the nitrogen atom in aryl amines is sp-hybridized.

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 4>Q 124

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Presence of a nitro group in a benzene ring:

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Alpha Question Bank for Medical: Chemistry>Chapter 21 - Organic Chemistry- Some Basic Principles and Techniques>Exercise 4>Q 125

The electrophile, $E^{\oplus}$ attacks the benzene ring to generate the intermediate $σ$ -complex. Of the following, which $σ$ -complex is of lowest energy?