The product obtained by the reaction of propene with $ICl$ is .............

Which one of the following halogen compounds is least reactive towards hydrolysis by $S_{N}1$ mechanism?

When alcoholic $KOH$ is reacted with $CH_3CH_2Cl$ to form an alkene,which species acts as the attacking reagent?

Under the specified conditions,substrate $X$ undergoes substitution and elimination reactions to give products $A - D$. $A$ and $B$ are stereoisomers,but not enantiomers. $C$ and $D$ are enantiomers. $A$ is not an isomer of $C$. Which of the following could be the starting material $X$ ?
$X \xrightarrow[\Delta]{H_2O} A + B + C + D$

The reaction of $1$-chlorobutane with alcoholic potash gives $......$.

When chloroform is treated with conc. $HNO_3$,it gives: