In the following reaction sequence, $X$ and $Z$, respectively, are:
$CH_{3}CH_{2}CH_{2}-OH + PCl_{5} \rightarrow CH_{3}CH_{2}CH_{2}Cl + X + HCl$
$CH_{3}CH_{2}CH_{2}Cl \xrightarrow{alc. KOH, \Delta} Y$
$Y \xrightarrow{HBr, (C_{6}H_{5}CO)_{2}O_{2}} Z$

  • A
    $X = POCl_{3}$; $Z = CH_{3}-CH(Br)-CH_{3}$
  • B
    $X = POCl_{3}$; $Z = CH_{3}CH_{2}CH_{2}-Br$
  • C
    $X = H_{3}PO_{3}$; $Z = CH_{3}-CH(Br)-CH_{3}$
  • D
    $X = H_{3}PO_{3}$; $Z = CH_{3}CH_{2}CH_{2}-Br$

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Which of the following undergoes hydrolysis most easily?

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Match the reactions given in Column-$I$ with their names in Column-$II$:
Column-$I$ (Reactants) Column-$II$ (Name)
$A$. $R-X + NaI \xrightarrow{\text{dry acetone}} R-I + NaX$ $i$. Electrophilic addition
$B$. $H_3C-Br + AgF \to H_3C-F + AgBr$ $ii$. Finkelstein reaction
$C$. $H_3C-CH_3 + Cl_2 \xrightarrow{hv} H_3C-CH_2Cl + HCl$ $iii$. Swarts reaction
$D$. $CH_2=CH_2 + Br_2 \to BrCH_2-CH_2Br$ $iv$. Free radical substitution

Given below are two statements:
Statement $I$: $3$-phenylpropene reacts with $HBr$ and gives secondary alkyl bromide having a chiral carbon atom as the major product.
Statement $II$: Aryl chlorides and aryl cyanides can be prepared by Sandmeyer reaction as well as Gattermann reaction.

Choose the correct option:
$A$. $ROH + SOCl_2 \rightarrow$ $P$. Darzen process
$B$. $RX (Cl, Br) + NaI \rightarrow$ $Q$. Finkelstein reaction
$C$. $RX (Cl, Br) + AgF \rightarrow$ $R$. Swarts reaction
$D$. $ArX + RX + Na \rightarrow$ $S$. Wurtz-Fittig reaction

Match the reactants in Column-$I$ with their products in Column-$II$.
Column-$I$ (Reactants)Column-$II$ (Products)
$A$. $H_2C=CH_2 + Br_2 \xrightarrow{CCl_4}$$i$. $CH_3CH_2CH_2Br$
$B$. $CH_3CH=CH_2 + HI \rightarrow$$ii$. $BrCH_2-CH_2Br$
$C$. $C_6H_5N_2^+X^- + KI \rightarrow$$iii$. $CH_3CHICH_3$
$D$. $CH_3CH=CH_2 + HBr \xrightarrow{peroxide}$$iv$. $C_6H_5I$

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