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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 26 July 2022, Shift 1, Chemistry Q71

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

Which technique among the following, is most appropriate in separation of a mixture of 100 mg of pp-nitrophenol and picric acid ?
  1. (1)Steam distillation
  2. (2)2-5 ft long column of silica gel
  3. (3)Sublimation
  4. (4)Preparative TLC (Thin Layer Chromatography)Official answer

Official answer

Option 4

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.