JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 16 March 2021, Shift 2, Chemistry Q31

Question 31 of 90 in this shift, Chemistry question 1 of 30, Section A.

The INCORRECT statement regarding the structure of

\mathrm{C_{60}}

is :

(1)It contains 12 six-membered rings and 24 five-membered rings.Official answer
(2)The six-membered rings are fused to both six and five-membered rings.
(3)The five-membered rings are fused only to six-membered rings.
(4)Each carbon atom forms three sigma bonds.

Official answer

Option 1

NTA final key.

Chapter: The p-Block Elements
Topic: Group 13 & 14
Idea tested: Carbon Allotropes

Same topic in other shifts

All Group 13 & 14 questions

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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.