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Friday, 9 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctHardMulti-step

JEE Main 18 March 2021, Shift 1, Chemistry Q38

Question 38 of 90 in this shift, Chemistry question 8 of 30, Section A.

The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is :
  1. (1)1
  2. (2)2Official answer
  3. (3)0
  4. (4)3

Official answer

Option 2

NTA final key.

Chapter
The p-Block Elements
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 42 of the 174 JEE Main shifts held from 2017 to 2026.