The gas used for artificial ripening of fruits is .......... .

Ozonolysis of one mole of a symmetrical alkene yields two moles of an aldehyde with a molar mass of $44 \ u$. Identify the alkene.

$CH_3CH_2CH=CH_2 \xrightarrow{B_2H_6 / H_2O_2, OH^{-}} Z$. What is $Z?$

Propene,when heated with chlorine at approximately $500^\circ C$,forms:

The major product of the following reaction is $F_3C-CH=CH_2 + HBr \rightarrow$

Upon heating with acidic $KMnO_4$,an organic compound produces hexan$-1,6-$dioic acid as the major product. The starting compound is