Diborane reacts with terminal alkenes to form trialkylboranes. These react with alkaline hydrogen peroxide to form:

The reaction conditions used for converting $1, 2$-dibromoethane to ethylene are:

Which compound on reductive ozonolysis produces at least one mole of $CO_2$?

Ozonolysis of an organic compound $A$ produces acetone and propionaldehyde in an equimolar mixture. Identify $A$ from the following compounds:

Compound$(s)$ that on hydrogenation produce$(s)$ optically inactive compound$(s)$ is (are)

$A$ compound $A$ on reaction with $X$ and $Y$ produces the same major product but different by-products $a$ and $b$. Oxidation of $a$ gives a substance produced by ants.
$X$ and $Y$ respectively are :