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JEE Main 2020 · ChemistryNumerical answerNumerical valueHardMulti-step

JEE Main 3 September 2020, Shift 1, Chemistry Q50

Question 50 of 75 in this shift, Chemistry question 25 of 25.

The total number of monohalogenated organic products (including stereoisomers) in the following reaction is __________. A

\xrightarrow[\mathrm{(ii)\ X_2/\Delta}]{\mathrm{(i)\ H_2/Ni/\Delta}}

(Simplest optically active alkene)

Official answer

8.00

NTA final key (Sep 2020).

Chapter: Hydrocarbons
Topic: Alkanes and Free Radicals
Idea tested: Stereochemistry of Free Radical Halogenation

Same idea in other shifts

Asked 2× in all

1 Feb 2024, Shift 2 · Q88Total number of isomeric compounds (including stereoisomers) formed by monochlorination of 2-methylbutane is ________.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.