Question

Which is the correct order of bond lengths P,Q and R in
`Hoverset(p)(-)underset(H)underset(|)overset(H)overset(|)(C)-underset(H)underset(Q|)(C)=underset(H)underset(|)(C)-C-=Coverset(R)-H`
A. `Pgt Q gt R`
B. `R gt Q gt P`
C. `Q gt P gt R`
D. `Q gt R gt P`

Answer 1

Correct Answer - A
P is related to `sp^(3)` - hybridised C- atom, Q is related to `sp^(2)` - hybridised C - atom and R is related to sp - hybridised C - atom.