Which of the following pair represent different functional...

Which of the following pair represent different functional group containing compound? (A) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{NH}_{2}, \mathrm{Me}-\mathrm{NH}-\mathrm{Me}$ (B) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{OH}, \mathrm{Me}-\mathrm{O}-\mathrm{Me}$ (C) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{OH}, \mathrm{Me}_{2} \mathrm{CH}-\mathrm{OH}$ (D) $\mathrm{Me}-\mathrm{C}-\mathrm{NH}_{2}$ <smiles>CC(=O)NC(C)=O</smiles>

Which of the following pair represent different functional group containing compound?
(A) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{NH}_{2}, \mathrm{Me}-\mathrm{NH}-\mathrm{Me}$
(B) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{OH}, \mathrm{Me}-\mathrm{O}-\mathrm{Me}$
(C) $\mathrm{Me}-\mathrm{CH}_{2}-\mathrm{OH}, \mathrm{Me}_{2} \mathrm{CH}-\mathrm{OH}$
(D) $\mathrm{Me}-\mathrm{C}-\mathrm{NH}_{2}$
<smiles>CC(=O)NC(C)=O</smiles>

Key Concepts

Functional Groups

Functional groups are specific groups of atoms within molecules that govern the characteristic chemical reactions and properties of organic compounds. They serve as the basis for classifying and predicting the behavior of molecules in chemical reactions by providing consistent patterns of reactivity.

Alcohol Functional Group

The alcohol functional group is defined by the presence of a hydroxyl group (-OH) bonded to a carbon atom. This group influences the properties of the compound, such as its ability to engage in hydrogen bonding, its polarity, and its reactivity in substitution and oxidation reactions.

Ether Functional Group

The ether functional group consists of an oxygen atom bonded to two alkyl or aryl groups (R-O-R). Unlike alcohols, ethers lack a hydroxyl hydrogen, which results in different chemical properties including lower polarity and different reactivity patterns, making them less prone to certain types of reactions.

Amine Functional Group

Amines are characterized by the presence of a nitrogen atom bonded to hydrogen atoms and/or alkyl groups. They are classified as primary, secondary, or tertiary based on the number of organic substituents attached to the nitrogen atom. Despite these variations, all amines share basic properties due to the lone electron pair on nitrogen, which influences their reactivity.

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