How many sigma and how many pi bonds are present in the ethene molecule (C2H4)?
a. 4 sigma and 1 pi
b. 4 sigma and 2 pi
c. 5 sigma and 2 pi
d. 5 sigma and 1 pi

Question

How many sigma and how many pi bonds are present in the ethene molecule (C2H4)?	 
 		a.  	4 sigma and 1 pi	 
 		b.  	4 sigma and 2 pi	 
 		c.  	5 sigma and 2 pi	 
 		d.  	5 sigma and 1 pi

rina.r · Answer

its D

anonymous · Answer

Thank you! :D
Can you please explain why? :)

rina.r · Answer

There is a double bond between the two carbons, so that is one sigma bond and one pi bond. The hydrogen's all are sigma bonded to the carbons so there are four sigma bonds there. So, there is one pi bond overall and five sigma bonds overall.

anonymous · Answer

ohohhhh thank you so much!!!!!!!!!!!!!!!!! :D

rina.r · Answer

welcome:)