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JEE Main 202311 AprilEvening Shift
Exam
JEE Main
Year
2023
Date
11 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Alcohols Phenols and Ethers

JEE Main 2023 · 11 April · Evening Shift · Chemistry · Alcohols Phenols and Ethers

Product [X] formed in the above reaction is:

Product [X] formed in the above reaction is:
Product [X]\left[X\right] formed in the above reaction is:

Options

  1. AThe dibromo compound [P] (molecular formula : C_ 9 H_ 10 Br_ 2 ) when heated with excess sodamide followed by treatment
  2. BThe dibromo compound [P] (molecular formula : C_ 9 H_ 10 Br_ 2 ) when heated with excess sodamide followed by treatment
  3. CThe dibromo compound [P] (molecular formula : C_ 9 H_ 10 Br_ 2 ) when heated with excess sodamide followed by treatment
  4. DThe dibromo compound [P] (molecular formula : C_ 9 H_ 10 Br_ 2 ) when heated with excess sodamide followed by treatment

Correct answer

C. The dibromo compound [P] (molecular formula : C_ 9 H_ 10 Br_ 2 ) when heated with excess sodamide followed by treatment

Step-by-step solution

The alcohol is reacted with a mixture of sodium iodide and concentrated phosphoric acid, H3PO4{H}_{3}{PO}_{4}, and the iodoalkane is distilled off. The 2-iodobutane formed in the previous reaction give Grignard reagent with magnesium metal in dry ether. The Grignard reagent formed reacts with D2O{D}_{2}O to give 2-deuterobutane.

Product [X] formed in the above reaction is:

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