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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceTwo statementsEasyRecall

JEE Main 25 February 2021, Shift 2, Chemistry Q37

Question 37 of 90 in this shift, Chemistry question 7 of 30, Section A.

Given below are two statements : Statement I : α\alpha and β\beta forms of sulphur can change reversibly between themselves with slow heating or slow cooling. Statement II : At room temperature the stable crystalline form of sulphur is monoclinic sulphur. In the light of the above statements, choose the correct answer from the options given below :
  1. (1)Both Statement I and Statement II are true.
  2. (2)Both Statement I and Statement II are false.
  3. (3)Statement I is true but Statement II is false.Official answer
  4. (4)Statement I is false but Statement II is true.

Official answer

Option 3

NTA final key.

Chapter
The p-Block Elements
Topic
Group 15 & 16
Idea tested
Sulfur Allotropes

Same idea in other shifts

Asked 2× in all
  1. 24 Feb 2021, Shift 2 · Q58Among the following allotropic forms of sulphur, the number of allotropic forms, which will show paramagnetism is __________. (A)…MediumNumerical value

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.