Which compound will give a yellow precipitate on reaction with sodium hypoiodite?

What is the major product of the following reaction?
$HO-CH_2-CH_2-CH_2-CH_2-Cl \xrightarrow{Alc. KOH} ?$

Describe the production,physical properties,physiological effects,and uses of methanol.

$CH_3CH_2OH + HX \xrightarrow{ZnX_2} CH_3CH_2 - X + H_2O$. What is the reactivity order of $HX$?

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
$(6)$ $CH_3-O-CH_2-CH_2-OH$
$(7)$ $HOOC-CH_2-OH$

Identify the structure of the product formed in the following reaction of $4-$chloro$-4-$methylpentan$-1-$ol in a neutral polar medium:
$(CH_3)_2C(Cl)CH_2CH_2CH_2OH \to HCl + C_6H_{12}O$