Question

In allene $\left(C_3{H}_4\right)$, the type(s) of hybridization of the carbon atoms is/are:

• A. $sp$ and $s{p}^3$
• B. $sp$ and $s{p}^2$
• C. Only $s{p}^2$
• D. $s{p}^2$ and $s{p}^3$

Answer 1

The correct option is A $sp$ and $s{p}^3$

The structure of the allene is;
$H_{2}C=C=C{H}_2$, the two terminal carbons are $s{p}^2$ hybridised with three $\sigma$-bonds while the carbon at the centre is $sp$ hybridised with two sigma bonds.