When the product formed by the reaction of $1-$methylcyclohexene with $H_3O^+$ is treated with Lucas reagent,when does turbidity appear?

Which of the following compounds are not oxidized by $HIO_4$?
$(1)$ $CH_3-CH(OH)-CH_2-OH$
$(2)$ $CH_3-C(=O)-CHO$
$(3)$ $CH_3-C(=O)-C(=O)-CH_3$
$(4)$ $CH_3-C(=O)-CH(NH_2)-CH_3$
$(5)$ Cyclohexene oxide
$(6)$ $CH_3-O-CH_2-CH_2-OH$
$(7)$ $HOOC-CH_2-OH$

The boiling point of alcohols is $....$ than corresponding thiols.

Identify product '$B$' in the following series of reactions: $2-methylpropan-2-ol \xrightarrow{20\% H_2SO_4, 363 K} A \xrightarrow{H_2O, \Delta, Conc. H_2SO_4} B$

Which of the following is a secondary allylic alcohol?

Which of the following compounds contain at least one secondary $(2^o)$ alcohol?