$CH_3-CH_2-C(Br)(CH_2CH_3)-CH_2(CH_2CH_2CH_3) \xrightarrow{alc. KOH} (A)$ (major)
$n-Pr = n-propyl$
Product $(A)$ is

The main product of the reaction between alcoholic silver nitrite $(AgNO_2)$ and ethyl bromide $(C_2H_5Br)$ is:

Which of the following compounds will form the precipitate with aqueous $AgNO_3$ solution most readily?

Match the $LIST$-$I$ with $LIST$-$II$:

List-$I$ (Reaction)	List-$II$ (Mechanism)
$A$. Williamson Synthesis	$I$. Electrophilic addition
$B$. Friedel-Crafts Reaction	$II$. Free radical substitution
$C$. Bromination of vinyl benzene	$III$. Nucleophilic substitution
$D$. Chlorination of toluene in light	$IV$. Electrophilic substitution

Choose the correct answer from the options given below:

When ethyl iodide is heated with silver nitrite,the product obtained is:

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 $X$ ?
$X \xrightarrow[\Delta]{H_2O} A + B + C + D$