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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 27 July 2022, Shift 2, Chemistry Q77

Question 77 of 90 in this shift, Chemistry question 17 of 30, Section A.

Match **List - I** with **List - II**. List - I (A) Glucose + HI (B) Glucose + Br2\mathrm{Br_2} water (C) Glucose + acetic anhydride (D) Glucose + HNO3\mathrm{HNO_3} List - II (I) Gluconic acid (II) Glucose pentacetate (III) Saccharic acid (IV) Hexane Choose the **correct** answer from the options given below :
  1. (1)(A) - (IV), (B) - (I), (C) - (II), (D) - (III)Official answer
  2. (2)(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
  3. (3)(A) - (III), (B) - (I), (C) - (IV), (D) - (II)
  4. (4)(A) - (I), (B) - (III), (C) - (IV), (D) - (II)

Official answer

Option 1

NTA final key.

Chapter
Biomolecules
Topic
Carbohydrates
Idea tested
Reduction with HI and Red Phosphorus

Same idea in other shifts

Asked 2× in all
  1. 6 Apr 2026, Shift 2 · Q69Consider the following reactions. Total number of electrons in the π\pi bonds and lone pair of electrons in the product (X) is : [figure:…HardSingle correctHas a figure

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.