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Identify the correct set of reagents or reaction conditions 'X' and 'Y' in the following set of transformation \({\mathr…

Q1

Identify the correct set of reagents or reaction conditions 'X' and 'Y' in the following set of transformation
\({\mathrm{CH}}_{3}−{\mathrm{CH}}_{2}−{\mathrm{CH}}_{2}−\mathrm{Br}\overset{{\mathrm{X}}^{\mathrm{′}}}{\to }\text{Product}\overset{{\mathrm{Y}}^{\mathrm{′}}}{\to }{\mathrm{CH}}_{3}−\mathrm{CH}\left(\mathrm{Br}\right)−{\mathrm{CH}}_{3}\)

[JEE Main 2024, 4 Apr (Shift 1)]

a

\(\mathrm{X}=\text{conc.alc.}\mathrm{NaOH},80^\circ \mathrm{C},\mathrm{Y}={\mathrm{Br}}_{2}/{\mathrm{CHCl}}_{3}\)

b

\(\mathrm{X}=\text{dil.aq.}\mathrm{NaOH},20^\circ \mathrm{C},\mathrm{Y}=\mathrm{HBr}/\text{acetic acid}\)

c

\(\mathrm{X}=\text{conc. alc.}\mathrm{NaOH},80^\circ \mathrm{C},\mathrm{Y}=\mathrm{HBr}/\text{acetic acid}\)

d

\(\mathrm{X}=\text{dil.aq.}\mathrm{NaOH},20^\circ \mathrm{C},\mathrm{Y}={\mathrm{Br}}_{2}/{\mathrm{CHCl}}_{3}\)

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