Question

पेंट-2-ईन-4-आइन में सिग्मा (σ) तथा पाई (π) आबन्धों की संख्या है :
(1) 10 σ आबन्ध तथा 3 π आबन्ध
(2) 8 σ आबन्ध तथा 5 π आबन्ध
(3) 11 σ आबन्ध तथा 2 π आबन्ध
(4) 13 σ आबन्ध तथा कोई भी π आबन्ध नहीं

Answer 1

Answer:

udyogo Cardozo batao hardi

Answer 2

In Pent-2-en-4-yne there is 10 sigma bond and 3 pi-bond is present .

This can be identifies by  the structure given below:-

CH≡C-CH=CH-CH₃

In the above shown structure 2 pi bond is present in alkyne and 1 pi bond is present in alkene and rest of the bond is sigma bond between carbon-carbon atom or carbon-hydrogen atom.