Draw the appropriate condensed structure of a hydrocarbon that contains
(i) two carbons with sp³ hybridization.
(ii) two carbons with sp³ hybridization and two carbons with sp² hybridization.
(iii) three carbons with sp³ hybridization and two carbons with sp hybridization.

• A. (i): CH₃CH₃
  (ii): CH₃CH=CHCH₃
  (iii): CH₃CH₂CH₂C≡CH
• B. (i): CH₂=CH₂
  (ii): CH₃CH=CH₂
  (iii): CH₃CH₂CH₂C≡CH
• C. (i): CH₂=CH₂
  (ii): CH₃CH=CHCH₃
  (iii): CH₃CH₂C≡CH
• D. (i) HC≡CCH=CH₂
  (ii): CH₃CH=CHCH₃
  (iii): CH₃CH₂CH₃

Answer: (A)