The maximum number of RBr producing 2-methylbutane by above sequence of reactions is ________ - (Consider…

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

1. 5
2. 4
3. 3
4. 1

Solution

$\mathrm{RBr} \xrightarrow[\text { dry Ether }]{\mathrm{Mg}} \mathrm{RMgBr} \xrightarrow{\mathrm{H}_2 \mathrm{O}} \mathrm{R}-\mathrm{H}$
Hence, RBr Can be

Asked in: JEE Main 2025 (22 Jan Shift 2)

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