Compound $A, C_{8}H_{10}O,$ is found to react with $NaOI$ (produced by reacting $Y$ with $NaOH$) and yields a yellow precipitate with a characteristic smell. $A$ and $Y$ are respectively:

Lead pipes are corroded quickly by

Glycerol is used in the manufacture of

The final product of the oxidation of ethyl alcohol is

$A$ compound is soluble in concentrated ${H_2SO_4}$. It does not decolorize a solution of bromine in ${CCl_4}$. However,it is oxidized by chromic anhydride in aqueous sulfuric acid within two seconds,changing the color of the solution from orange to blue,green,and finally opaque. What does the original compound contain?

Which Grignard reagent gives $2-$methylpropan$-1-$ol upon reaction with methanal followed by hydrolysis?