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Which of the following compounds contain...

Which of the following compounds contain amide linkage?

A

Nylon-6

B

Acetamide

C

Proteins

D

Cellulose

Text Solution

AI Generated Solution

The correct Answer is:
To determine which of the given compounds contain amide linkages, we need to understand what an amide linkage is. An amide linkage is characterized by the presence of a carbonyl group (C=O) directly attached to a nitrogen atom (N). Let's analyze each option step by step: ### Step 1: Analyze Nylon-6 - **Structure**: Nylon-6 is a polymer derived from the monomer caprolactam. Its structure can be represented as CH2(CH2)4C(=O)NH. - **Linkage**: In this structure, we can see the presence of a carbonyl group (C=O) directly bonded to a nitrogen atom (N). - **Conclusion**: Therefore, Nylon-6 contains an amide linkage. ### Step 2: Analyze Acetamide - **Structure**: Acetamide has the formula CH3C(=O)NH2. - **Linkage**: Here, we also observe a carbonyl group (C=O) attached to a nitrogen atom (N). - **Conclusion**: Thus, acetamide contains an amide linkage. ### Step 3: Analyze Proteins - **Structure**: Proteins are polymers made up of amino acids linked by peptide bonds. A peptide bond can be represented as R1C(=O)NR2, where R1 and R2 are side chains of amino acids. - **Linkage**: The peptide bond, which forms between the amino group of one amino acid and the carboxyl group of another, is indeed an amide linkage. - **Conclusion**: Therefore, proteins contain amide linkages. ### Step 4: Analyze Cellulose - **Structure**: Cellulose is a polysaccharide made up of β-D-glucose units. - **Linkage**: The linkage between glucose units in cellulose is a glycosidic bond, which is characterized by an ether linkage (C-O-C) rather than an amide linkage. - **Conclusion**: Hence, cellulose does not contain an amide linkage. ### Final Conclusion - **Compounds with Amide Linkage**: Nylon-6, Acetamide, and Proteins contain amide linkages. - **Compound without Amide Linkage**: Cellulose does not contain an amide linkage. ### Summary of Answers 1. Nylon-6 - Contains amide linkage. 2. Acetamide - Contains amide linkage. 3. Proteins - Contain amide linkage. 4. Cellulose - Does not contain amide linkage.
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Knowledge Check

  • Which of the following compounds contain most acidic H?

    A
    `CH_(2)=CH_(2)`
    B
    `HC equiv CH`
    C
    D
    `CH_(2)=CH-CH_(2)-CH=CH_(2)`

  • Which of the following compounds contain at least one secondary alcohol ?

    A
    I, II , IV , VI
    B
    I , III
    C
    I , II , III ,V
    D
    I ,III , V

  • Which of the following compounds contains most acidic hydrogen?

    A
    `H_(3)C-overset(O)overset(||)(C)-H`
    B
    `H_(3)C-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)`
    C
    `H_(3)C-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-OCH_(3)`
    D
    `H_(3)C-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-overset(..)(N)H_(2)`