which of following best describe the bonding in HCN?

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which of following best describe the bonding in HCN?

a. ionic only
b. 2 sigma and 2 pi bonds
c. 3 sigma and 1 pi bond
d. 4 sigma bonds
e. 1 sigma and 3 pi bond

H-C---N (c is tripled bonded to N)

HCN is sp hybridized, and one sigma bond C to H, and another sigma bond C to N. Two pi bond C to N. So, B is the correct answer. Am I right? Thanks!

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