Question

The relative rates of hydrogenation is in the order of
A. `CH_(2)=CH_(2)gt RCH =CH_(2)gtRCH=CHRgtR_(2)C=CHR`
B. `R_(2)C=CHRgtRCH=CHRgtRCH=CH_(2)gt CH_(2)=CH_(2)`
C. `RCH=CHRgtR_(2)C=CHRgtRCH=CH_(2)gtCH_(2)=CH_(2)`
D. `R_(2)C=CHRgtCH_(2)=CH_(2)gtRCH=CHRgtRCH=CH_(2)`

Answer 1

Correct Answer - a
Rate of Hydrogenation `prop (1)/("crowdi ng across pi bond ")`
`(" Hydrogenation follow syn addition ")`