Which of the following has the highest boiling point?

When the vapours of tertiary butyl alcohol are passed through heated copper at $573 \ K$,the product formed is

Which of the following alcohols gives white turbidity almost immediately with the Lucas reagent at room temperature?
$(i)$ $n-$Butanol
$(ii)$ $tert-$Butanol
$(iii)$ Benzyl alcohol
$(iv)$ Allyl alcohol

Which of the following is not a characteristic of alcohols?

Number of isomeric alcohols of molecular formula $C_6H_{14}O$ which give positive iodoform test is

An organic compound $(A)$ (molecular formula $C_{6}H_{12}O_{2}$) was hydrolysed with dil. $H_{2}SO_{4}$ to give a carboxylic acid $(B)$ and an alcohol $(C).$ $C$ gives white turbidity immediately when treated with anhydrous $ZnCl_{2}$ and conc. $HCl$. The organic compound $(A)$ is