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Saturday, 31 October

JEE Main 2026 · ChemistryMultiple choiceOtherMediumRecall

JEE Main 5 April 2026, Shift 1, Chemistry Q69

Question 69 of 75 in this shift, Chemistry question 19 of 25, Section A.

Identify the correct statements. A. Glucose exists in two anomeric forms. B. Anomers of glucose differ in configuration at C-1 in cyclic hemiacetal structure. C. Melting point of α\alpha - anomer of glucose is greater than β\beta - anomer. D. Specific rotation of α\alpha - anomer is +19∘+19^\circ while for β\beta - anomer is +112∘+112^\circ E. α\alpha and β\beta - anomers of glucose are prepared by crystallization of saturated glucose solution at 303 K and 371 K respectively. Choose the correct answer from the options given below:
  1. (1)A and B Only
  2. (2)B and C Only
  3. (3)A, B and D Only
  4. (4)A, B and E OnlyOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Biomolecules
Topic
Carbohydrates
Idea tested
Anomers and Epimers

Same idea in other shifts

Asked 3× in all
  1. 5 Apr 2026, Shift 2 · Q69Given below are two statements : Statement I : [figure: two ring (pyranose) structures, each with CH2_2-OH, ring O, H, OH and H…MediumTwo statementsHas a figure
  2. 4 Apr 2024, Shift 2 · Q80Match List I with List II LIST I A. α\alpha - Glucose and α\alpha - Galactose B. α\alpha - Glucose and β\beta - Glucose C. α\alpha -…MediumMatch the list

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.