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JIPMER 2015
Exam
JIPMER
Year
2015
Subject
Chemistry
Chapter
Haloalkanes and Haloarenes

JIPMER 2015 · Chemistry · Haloalkanes and Haloarenes

R-CH_2-CH_2-OH can be converted into R CH_2 CH_2 COOH by the...

R−CH2−CH2−OHR-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH} can be converted into RCH2CH2COOHR \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COOH} by the following sequence of steps.R-CH_2-CH_2-OH can be converted into R CH_2 CH_2 COOH by the following sequence of steps.

Options

  1. APBr3,KCN,H2/Pt\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_2 / \mathrm{Pt}
  2. BPBr3,KCN,H3O+\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}
  3. CHCN,PBr3,H3O+\mathrm{HCN}, \mathrm{PBr}_3, \mathrm{H}_3 \mathrm{O}^{+}
  4. DKCN,H3O+\mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}

Correct answer

B. PBr3,KCN,H3O+\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}

Step-by-step solution

R-CH_2-CH_2-OH can be converted into R CH_2 CH_2 COOH by the following sequence of steps.
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