Which structure represents cyclohexyl alcohol?

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

Classify the following as primary,secondary,and tertiary alcohols:
$(i)$ $CH_3-C(CH_3)_2-CH_2OH$
$(ii)$ $CH_2=CH-CH_2OH$
$(iii)$ $CH_3-CH_2-CH_2-OH$
$(iv)$ $C_6H_5-CH(OH)-CH_3$
$(v)$ $C_6H_5-CH_2-CH(OH)-CH_3$
$(vi)$ $C_6H_5-CH=CH-C(OH)(CH_3)_2$

What is cumene?

Which of the following is the correct $IUPAC$ name of catechol?

Which of the following is a phenol?