Grignard reagent cannot be prepared in an aqueous solution but can be prepared in an ether medium because .............

The common name of Benzene-$1, 2$-diol is:

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)
$(ix)$ $CH_3-O-CH_2-CH(CH_3)-CH_3$
$(x)$ $C_6H_5-O-C_2H_5$
$(xi)$ $C_6H_5-O-C_7H_{15}(n-)$
$(xii)$ $CH_3-CH_2-O-CH(CH_3)-CH_2-CH_3$

Explain the classification of alcohols with examples.

Which among the following is an example of an allylic alcohol?

$Crotonyl$ alcohol is an example of