Chemistry CBSE Class 12 Sample Paper for 2023 Boards - Solutions

Chemistry CBSE Class 12 Sample Paper for 2022 Boards [Term 2] →
Chemistry Class 12
Solutions to CBSE Sample Paper - Chemistry Class 12

Question 20 (Choice 1) - Chemistry CBSE Class 12 Sample Paper for 2023 Boards - Solutions - Solutions to CBSE Sample Paper - Chemistry Class 12

Last updated at April 16, 2024 by

Account for the following:

  1. There are 5 OH groups in glucose
  2. Glucose is a reducing sugar

 

Answer:

a. Acetylation of glucose with acetic anhydride gives glucose pentaacetate which confirms the presence of five –OH groups. Since it exists as a stable compound, five –OH groups should be attached to different carbon atoms

Question 20 - Acetylation of glucose with - teachoo.jpg

b. Glucose reduces Fehlings reagent

Question 20b - Glucose reduces Fehlings reagent - teachoo.jpg

Go Ad-free
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo