Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
BITSAT2016ChemistryHydrocarbonsActual

CH ₃ C CCH ₃ H ₂ / Pt A D ₂ / Pt B The compounds A and B , respectively are

Options

  1. Acis-butene-2 and rac -2,3 -dideuterobutane
  2. Btrans-butene-2 and rac -2 , 3-dideuterobutane
  3. Ccis-butene- 2 and meso-2, 3-dideuterobutane
  4. Dtrans-butene-2 and meso-2, 3-dideuterobutane

Correct answer

C. cis-butene- 2 and meso-2, 3-dideuterobutane

Step-by-step solution

Catalytic hydrogenation of alkynes gives cis-alkene which in turn adds deuterium atoms in presence of H ₂ again in ci -manner forming meso -2,3 -dideuterobutane.

Practice Hydrocarbons on Quantrex Academy →

More from Hydrocarbons

The major product X in the following given reaction is 2024The major product of the reaction between CH ₃ CH ₂ ONa and ( CH ₃ )₃ CCl in ethanol is 2024Find out B in the given reactions 2023The final product obtained in the reaction 2020Which of the following compounds contain all the carbon atoms in the same hybridisation state 2019The correct sequence of reagents for the following conversion will be 2018Consider the following sequence of reactions. Z → PCl 5 X → Alc . KOH Y → 2 H 2 O / Δ Conc . H 2 SO 4 Z ' Z ' is 2018Reductive ozonolysis of CH 3 2 C = C CH 3 2 followed by hydrolysis gives 2017 Full Hydrocarbons list All BITSAT PYQs