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NEET 2014
Exam
NEET
Year
2014
Subject
Chemistry
Chapter
Hydrocarbons

NEET 2014 · Chemistry · Hydrocarbons

Identify Z in the sequence of reactions:

Identify ZZ in the sequence of reactions:
Identify Z in the sequence of reactions:

Options

  1. ACH3−(CH2)3−O−CH2CH3C{H}_{3} - {\left(C{H}_{2}\right)}_{3} - O - C{H}_{2}C{H}_{3}
  2. B(CH3)2CH2−O−CH2CH3{\left(C{H}_{3}\right)}_{2}C{H}_{2} - O - C{H}_{2}C{H}_{3}
  3. CCH3(CH2)4−O−CH3C{H}_{3}{\left(C{H}_{2}\right)}_{4} - O - C{H}_{3}
  4. DCH3CH2−CH(CH3)−O−CH2CH3C{H}_{3}C{H}_{2} - CH\left(C{H}_{3}\right) - O - C{H}_{2}C{H}_{3}

Correct answer

A. CH3−(CH2)3−O−CH2CH3C{H}_{3} - {\left(C{H}_{2}\right)}_{3} - O - C{H}_{2}C{H}_{3}

Step-by-step solution

(   BrCH3CH2CH=CH2→H2O2HBrCH3CH2CH∣  −CH2∣→C2H5ONaCH3−(CH2)3−OCH2−OCH2CH3  H\begin{array}{l} \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad ~~~\quad \text{Br}\\ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\mathrm{H}_2 \mathrm{O}_2]{\mathrm{HBr}} \mathrm{CH}_3 \mathrm{CH}_2 \underset{\Large | ~~}{\mathrm{CH}}- \stackrel{\Large | \quad}{\mathrm{CH}_2} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}} \mathrm{CH}_3-\left(\mathrm{CH}_2\right)_3-\mathrm{OCH}_2-\mathrm{OCH}_2 \mathrm{CH}_3 \\ \qquad \qquad \qquad \qquad \qquad \qquad \qquad \quad ~~ \text{H} \end{array})
HBrHBr in presence of peroxide gives anti Markovnikoff addition product.
1o{1}^{o} alkyl halide on reaction with C2H5ONa{C}_{2}{H}_{5}ONa gives SN2{S}_{N}2 reaction.
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