How many structural isomers of alcohols with the formula $C_4H_9OH$ are possible if all the carbons are in a straight chain?

What is the product obtained by the reaction of ethyl alcohol with bleaching powder?

Which of the following compounds has the highest boiling point?

$HO-CH_2-C(=O)-CH(OH)-CH_2-OH \xrightarrow{HIO_4} \text{Product obtained is}$

Major products $(C)$ and $(D)$ will be respectively:

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?