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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceDiagram basedEasyDiagram reading

JEE Main 18 March 2021, Shift 2, Chemistry Q43

Question 43 of 90 in this shift, Chemistry question 13 of 30, Section A.

In the following molecule, [figure] Hybridisation of Carbon a, b and c respectively are :

The figure, in words

Skeletal drawing: H3C (labelled a above the C) is bonded to a carbon that bears H and is double bonded to a second carbon (labelled b above it); this second carbon bears H and is single bonded to O; O is bonded to a ring carbon (labelled c at the O-ring bond) of a drawn benzene ring.
  1. (1)sp3sp^3, sp2sp^2, sp2sp^2Official answer
  2. (2)sp3sp^3, sp2sp^2, spsp
  3. (3)sp3sp^3, spsp, spsp
  4. (4)sp3sp^3, spsp, sp2sp^2

Official answer

Option 1

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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.