Chemical Bonding and Molecular Structure - Result Question 99
####101. The outer orbitals of $C$ in ethene molecule can be considered to be hybridized to give three equivalent $s p^{2}$ orbitals. The total number of sigma $(\sigma)$ and pi $(\pi)$ bonds in ethene molecule is
[NEET Kar. 2013]
(a) 1 sigma $(\sigma)$ and 2 pi $(\pi)$ bonds
(b) 3 sigma $(\sigma)$ and $2 pi(\pi)$ bonds
(c) 4 sigma $(\sigma)$ and $1 pi(\pi)$ bonds
(d) 5 sigma $(\sigma)$ and $1 pi(\pi)$ bonds
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Solution:
$ \text{ (d) } \begin{matrix} H-\frac{\sigma}{C} \stackrel{\sigma}{\bar{{}\pi}} C \stackrel{\sigma}{\sigma} H \\ \sigma \mid & \mid \sigma \\ H & H \end{matrix} $
