JEE Main 2015 — General Organic Chemistry Question with Solution
JEE Main 2015 (11 Apr Online)
Question
The number of structural isomers for is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B5
Step-by-step explanation
Firstly we calculate DU (Degree of unsaturation) of given molecular formula as :-
for
possibility is for alkanes only.
(PCC stands for parent carbon chain)
Total structural isomers of are .
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This is a previous-year question from JEE Main 2015, covering the General Organic Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.