The number of sigma ($\sigma $) and pi ($\pi $) bonds in pent-2-en-4-yne is -

Question

11 $\sigma $ bonds and 2 $\pi $ bonds

13 $\sigma $ bonds and no $\pi $ bonds

10 $\sigma $ bonds and 3 $\pi $ bonds

8 $\sigma $ bonds and 5 $\pi $ bonds

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