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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctHardMulti-step

JEE Main 27 June 2022, Shift 2, Chemistry Q76

Question 76 of 90 in this shift, Chemistry question 16 of 30, Section A.

Decarboxylation of all six possible forms of diaminobenzoic acids C6H3(NH2)2COOH\mathrm{C_6H_3(NH_2)_2COOH} yields three products A, B and C. Three acids give a product 'A', two acids gives a product 'B' and one acid give a product 'C'. The melting point of product 'C' is
  1. (1)63°C
  2. (2)90°C
  3. (3)104°C
  4. (4)142°COfficial answer

Official answer

Option 4

NTA final key.

Chapter
Amines
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.