MCQ
Which one of the following alkenes will react fastest with $H_2$ under catalytic hydro-genation condition
- ✓

- B

- C

- D






${}_H^H > C = C\, < \,_H^H$ ${}_R^R > C = C\, < \,_H^R$
${}_R^R > C = C\, < \,_H^H$ ${}_H^R > C = C\, < \,_H^R$
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