question_answer

An alkene A contains three \[C-C,\]eight \[C-H-\sigma -\]bonds and one \[C-C-\pi -\]bond. A on ozonolysis gives two moles of an aldehyde of molar mass 44 u. IUPAC name of A is

A)  but-1-ene            

B)  but-2-ene

C)  2-methylpropane     

D)  None of these

Correct Answer: B

Solution :

 Compound      A      is      but-2-ene.\[C{{H}_{3}}-CH=CH-C{{H}_{3}}\xrightarrow{{{O}_{3}}}\] \[C-H\,bonds=8\,\sigma \] \[C-C\,bonds\,=3\sigma \] \[C=C\,bond\,=1\pi \]