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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$R-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$ can be converted into $R \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{COOH}$ by the following sequence of steps.

ChemistryHaloalkanes and HaloarenesJIPMERJIPMER 2015

Options:

A $\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_2 / \mathrm{Pt}$
B $\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}$
C $\mathrm{HCN}, \mathrm{PBr}_3, \mathrm{H}_3 \mathrm{O}^{+}$
D $\mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}$

Solution:

2730 Upvotes Verified Answer

The correct answer is: $\mathrm{PBr}_3, \mathrm{KCN}, \mathrm{H}_3 \mathrm{O}^{+}$

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