The characteristic grouping of secondary alcohols is

In the carbinol system,$sec$-Butyl alcohol is named as:

What is cumene?

Write $IUPAC$ names of the following compounds:
$(i)$ $CH_3-CH(CH_3)-CH(OH)-C(CH_3)_2-CH_3$
$(ii)$ $CH_3-CH(OH)-CH_2-CH(OH)-CH(C_2H_5)-CH_2-CH_3$
$(iii)$ $CH_3-CH(OH)-CH(OH)-CH_3$
$(iv)$ $HO-CH_2-CH(OH)-CH_2-OH$
$(v)$ $2-Methylphenol$ (structure)
$(vi)$ $4-Methylphenol$ (structure)
$(vii)$ $2,5-Dimethylphenol$ (structure)
$(viii)$ $2,6-Dimethylphenol$ (structure)
$(ix)$ $CH_3-O-CH_2-CH(CH_3)-CH_3$
$(x)$ $C_6H_5-O-C_2H_5$
$(xi)$ $C_6H_5-O-C_7H_{15}(n-)$
$(xii)$ $CH_3-CH_2-O-CH(CH_3)-CH_2-CH_3$

Which of the following compounds contains the functional group $-OH$?

Write structures of the compounds whose $IUPAC$ names are as follows:
$(i)$ $2-$Methylbutan$-2-$ol
$(ii)$ $1-$Phenylpropan$-2-$ol
$(iii)$ $3,5-$Dimethylhexane$-1,3,5-$triol
$(iv)$ $2,3-$Diethylphenol
$(v)$ $1-$Ethoxypropane
$(vi)$ $2-$Ethoxy$-3-$methylpentane
$(vii)$ Cyclohexylmethanol
$(viii)$ $3-$Cyclohexylpentan$-3-$ol
$(ix)$ Cyclopent$-3-$en$-1-$ol
$(x)$ $4-$Chloro$-3-$ethylbutan$-1-$ol.