What is the hybridization of a...

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an sp3 hybridized atom cannot have pi bonds. so it's not sp3.
 
I'm thinking it would have 1 single bond and 1 triple bond.
Single bond= 1 sigma bond
Double bond= 1 sigma and 1 pi bonds
Triple bond= 1 sigma and 2 pi bonds

If you have 2 sigmas and 2 pi bonds, you can only have 1 single and 1 triple and stay within the octet rule.
so I guess it should be sp hybridized.
 
You can't have pi bonds and still be sp3. Even if you had the single and triple bond, that's still an sp hybridization. sp3 is 4 sigma bonds, think of a carbon atom.
 
An atom that has 2 sigma and 2 pi bonds can either have a triple bond and a single bond or two double bonds. In either case, it is sp hybridized.

Put in another way, for an atom to have two pi bonds, it needs 2 unhybridized p orbitals. Since there are three p orbitals, only 1 p is available to hybridize with s.

In any case, it is not sp3 hybridized.
 
Okay. I'm glad all these posts agree with what I was thinking. I came across that question in an exam (https://www.ada.org/oat/oat_sample_test.pdf , question 93, page 20) and was really confused because the answer really was sp3 and I was thinking it should be sp, so I thought I was missing some important piece of knowledge. Thanks.
 
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