Which one of the following on reaction with Lucas reagent gives white precipitate fastest?

What will be $A$,$B$,$C$,and $D$ in the following reaction sequence?
Cyclohexanol $\xrightarrow[H_2SO_4]{CrO_3} A$ $\xrightarrow[(ii) H_3O^+]{(i) CH_3MgI} B$ $\xrightarrow{\Delta, H_2SO_4} C$ $\xrightarrow[(ii) H_2O_2, NaOH]{(i) (BH_3)_2} D$

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

Identify $A, B, C,$ and $D$ in the following reaction sequence:
$CH_3-CH_2-CH(OH)-CH_3$ $\xrightarrow{PBr_3} (A)$ $\xrightarrow{Mg, \text{ether}} (B)$ $\xrightarrow{CH_3CHO} (C)$ $\xrightarrow{H_3O^+} (D)$

In the following sequence of reactions,the product $C$ is: $CH_3-CH_2-CH_2-Br$ $\xrightarrow{KOH(alc)} (A)$ $\xrightarrow{HBr} (B)$ $\xrightarrow{KOH(aq.)} (C)$

Which of the following is correctly matched?