JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 25 June 2022, Shift 1, Chemistry Q71

Question 71 of 90 in this shift, Chemistry question 11 of 30, Section A.

Phenol on reaction with dilute nitric acid, gives two products. Which method will be most efficient for large scale separation ?

(1)Chromatographic separation
(2)Fractional Crystallisation
(3)Steam distillationOfficial answer
(4)Sublimation

Official answer

Option 3

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: Alcohols and Phenols
Idea tested: Phenol Nitration Reagent Effects

Same idea in other shifts

Asked 4× in all

5 Apr 2024, Shift 1 · Q89Consider the given chemical reaction sequence : phenol $\xrightarrow{\text{Conc. } \mathrm{H_2SO_4}}$ Product A…MediumNumerical valueHas a figure
6 Apr 2024, Shift 1 · Q77Given below are two statements : Statement I : Picric acid is 2,4,6 - trinitrotoluene. Statement II : Phenol - 2,4 - disulphonic acid is…EasyTwo statements
26 Jun 2022, Shift 1 · Q89Compound 'P' on nitration with dil. $\mathrm{HNO_3}$ yields two isomers (A) and (B). These isomers can be separated by steam distillation.…HardNumerical value

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.