What is the use of $Baeyer's$ reagent in the laboratory?

Identify the product of the following reaction: $CH_3-CH=CH-CH_3 \xrightarrow[(ii) H_2O, Zn]{(i) O_3} \text{Product}$

Isopropyl alcohol is obtained by reacting which of the following alkenes with conc. $H_2SO_4$ and $H_2O$?

Explain the preparation of alkenes from alcohols by acidic dehydration.

Identify $X$ and $Y$ in the following reaction sequence: $X$ $\xrightarrow{Zn} Y$ $\xrightarrow[Zn, H_2O]{O_3} (CH_3)_2CO + CH_2O$

The given reaction represents the ozonolysis of an alkene $A$. Identify $A$ and the product $B$ in the following reaction sequence:
$A + O_3$ $\rightarrow \text{ozonide intermediate}$ $\xrightarrow{Zn + H_2O} B + HCHO$