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JIPMER 2019
Exam
JIPMER
Year
2019
Subject
Chemistry
Chapter
Hydrocarbons

JIPMER 2019 · Chemistry · Hydrocarbons

CH CH [H_2 O] Hg^ 2+ / H^ + A LiAlH_4 ~B P / Br_2 C final product C...

CH≡CH→H2OHg2+/H+A→LiAlH4 B→P/Br2C\mathrm{CH} \equiv \mathrm{CH} \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\mathrm{Hg}^{2+} / \mathrm{H}^{+}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow{\mathrm{P} / \mathrm{Br}_2} \mathrm{C} final product C isCH CH [H_2 O] Hg^ 2+ / H^ + A LiAlH_4 ~B P / Br_2 C final product C isCH CH [H_2 O] Hg^ 2+ / H^ + A LiAlH_4 ~B P / Br_2 C final product C is

Options

  1. ACH3CH2OH\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}
  2. BCH3CH2−Br\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{Br}
  3. CCH3−CH2−1\mathrm{CH}_3-\mathrm{CH}_2-1
  4. DWhich one of the following nitro-compounds does not react with nitrous acid?

Correct answer

B. CH3CH2−Br\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{Br}

Step-by-step solution

The given road map problem is CH≡CH→H2OHg2+/H+A→LiAlH4 B→P/Br2C\mathrm{CH} \equiv \mathrm{CH} \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\mathrm{Hg}{ }^{2+} / \mathrm{H}^{+}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow{\mathrm{P} / \mathrm{Br}_2} \mathrm{C} The reaction takes place as follows CH CH [H_2 O] Hg^ 2+ / H^ + A LiAlH_4 ~B P / Br_2 C final product C is
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