Directions For Questions Directions: Read the following passage carefully: A tertiary alcohol H upon acid-catalyzed dehy
cinnamic acid correct as per chemistry principle.
Ref: NCERT Chemistry Class XI and XII
#acetic anhydride
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The product of C₆H₅NH₂ reacting with (CH₃CO)₂O is:
Aniline (C₆H₅NH₂) reacts with acetic anhydride ((CH₃CO)₂O) to form acetanilide (C₆H₅NHCOCH₃), as per the PDF’s acetylation reaction.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Nomenclature, Structure and Preparation - Ammonolysis and Gabriel Synthesis
Which monosaccharide forms a pentaacetate when reacted with acetic anhydride?
Glucose, with five -OH groups in its open chain form, reacts with acetic anhydride to form a pentaacetate, confirming its structure.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
