Home
Class 12
CHEMISTRY
Cellulose upon acetylation with excess a...

Cellulose upon acetylation with excess acetic anhydride/`H_(2)SO_(4)` (catalytic) gives cellulose triacetate whose structure is

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Cellulose has `beta-` glycosidic linkages between `C_(1)` of one glucose unit and `C_(4)` of the other. It has three free OH groups at 2, 3, 6 positions and hence Oac group apears at `C_(2), C_(3) and C_(6)` positions.
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    MODERN PUBLICATION|Exercise Competition file (OBJECTIVE TYPE QUESTIONS) (C. MULTIPLE CHOICE QUESTIONS)|11 Videos

  • BIOMOLECULES

    MODERN PUBLICATION|Exercise Competition file (OBJECTIVE TYPE QUESTIONS) (D. MULTIPLE CHOICE QUESTIONS)|11 Videos

  • BIOMOLECULES

    MODERN PUBLICATION|Exercise Competition file (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOICE QUESTIONS) (JEE (MAIN) & OTHER STATE BOARDS FOR ENGINEERING ENTRANCE)|54 Videos

  • ALDEHYDES ,KETONES AND CARBOXYLIC ACIDS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

Cellulose upon acetylation with excess anhydride//H_(2)SO_(4) (catalytic) gives cellulose triacetate whose structure is:

On acetylation with acetic anhydride, glucose gives

Isopropylamine with excess of acetic anhydride will give

When ethylamine is heated with excess of acetic anhydride it give

Ethyl acetate on reaction with excess of methyl magnesium chloride and dil H_(2)SO_(4) gives .

Knowledge Check

  • Cellulose upon acetylation with excess anhydride//H_(2)SO_(4) (catalytic) gives cellulose triacetate whose structure is:

    A
    B
    C
    D

  • Cellobiose upon acetylation with excess acetic anhydride / H_(2)SO_4 (catalytic) gives triacetate whose structure is_______.

    A
    B
    C
    D

  • On acetylation with acetic anhydride, glucose gives

    A
    hexaacetate
    B
    pentaacetate
    C
    tetraacetate
    D
    triacetate