Butyne structural diagram chccchchcomplete structural diagram

a) ethyne

b) 4,4-diethyl-1-hexyne

Answer

a) Ethyne:

H H

\ /

Condensed structural diagram: CH₃CH₂C≡CCH₂CH₃

Complete structural diagram:

H C H

|

C─C≡C─C

/ | | \

Condensed structural diagram: CH₃C(CH₃)C≡CC(CH₃)₂CH₂CH₃

Complete structural diagram:

H C C

| |

H

Expanded structural diagram:

H C C

| |

H

d) 2-butyne:

C≡C

/ \

H

Expanded structural diagram:

H C

|

Cis-isomer:

H H H

/ \

C H

\ / \ /

C─C═C─C

|

H