In case of addition reaction of HBr to propenenitrile, the secondary
carbocation is less stable than the primary carbocation while in chloroethene
secondary carbocation is more stable than primary carbocation. Explain.
Consider compound A=2 chloro 2 methyl butane,B=2 chloro butane, C = chloro propane,(i) which of the compound will readily undergo dehydrochlorination (ii) what informs your answer?