question_answer

An alkene \[{{C}_{4}}{{H}_{8}}\], was treated with ozone and then with zinc and water to give acetone and formaldehyde. The alkene is:

A)  propane

B)  1-butene

C)  2-methyl-2-butene

D)  2-methyl propene

E)  2-methyl butene

Correct Answer: D

Solution :

                                                \[+HCHO\] Therefore, the alkene is as: