What is the product obtained when isopropyl alcohol vapor is passed over heated copper?

What is the product of the reaction between phenylmagnesium bromide and methanol?

Identify the major product of the following reaction:
($1$-hydroxycyclopentyl)methyl bromide + $aq. AgNO_3$ $\rightarrow$ ?

An alcohol $X$ $(C_4H_{10}O)$ does not give turbidity with conc. $HCl$ and $ZnCl_2$ at room temperature. $X$ on reaction with reagent $Y$ gives $Z$. What are $X, Y$ and $Z$ respectively?

The correct order of reactivity of hydrogen halides with ethyl alcohol is

In order to make alcohol undrinkable,pyridine and methanol are added to it. The resulting alcohol is called: