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QJEEM25Ch9d05: JEE Main 2025 Chemistry - Class 12 JEEM25Ch9d05 Solution: The maximum number of RBr producing 2-methylbutane by above…

JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 9 English

The maximum number of RBr producing 2-methylbutane by above sequence of reactions is __________ . (Consider the structural isomers only)

Multiple Choice Options

  • A 5
  • B 3
  • C 4
  • D 1

Step-by-Step Verified Solution

RBr→ dry Ether MgRMgBr→H2OR−H\mathrm{RBr} \xrightarrow[\text { dry Ether }]{\mathrm{Mg}} \mathrm{RMgBr} \xrightarrow{\mathrm{H}_2 \mathrm{O}} \mathrm{R}-\mathrm{H}

Hence, RBr Can be

JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Haloalkanes and Haloarenes Question 9 English Explanation

Total 4 Structural isomers.

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