MCQ
Homologue of $CH_3-Cl$ is
  • A
    $CH_3-CH_2-Br$
  • B
    $\begin{array}{*{20}{c}}
      {C{H_3} - CH - I} \\ 
      {\,|} \\ 
      {\,\,\,\,\,\,\,\,C{H_3}} 
    \end{array}$
  • $CH_3-CH_2-CH_2-Cl$
  • D
    $CH_3-(CH_2)_5-F$

Answer

Correct option: C.
$CH_3-CH_2-CH_2-Cl$
c

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$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}\\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\\
{C{H_3} - C - O - C - C{H_3}}
\end{array}$ (image) $(A)$

Product $(A)$ is

Match List - $I$ with List - $II$.

${List-I }$  ${(Reactants) }$

${List-II }$  ${ Products }$

($A$)Phenol, $\mathrm{Zn} / \Delta$

$(I)$ Salicylaldehyde

($B$)Phenol, $\mathrm{CHCl}_3, \mathrm{NaOH}, \mathrm{HCl}$

$(II)$ Salicylic acid

($C$)Phenol, $\mathrm{CO}_2, \mathrm{NaOH}, \mathrm{HCl}$

$(III)$ Benzene

($D$)Phenol, Conc. $\mathrm{HNO}_3$

$(IV)$ Picric acid

The standard reduction potential data at $25^{\circ} C$ is given below.

$E ^0\left( Fe ^{3+} . Fe ^{2+}\right)=+0.77 V $

$E ^0\left( Fe ^{2+} . Fe \right)=-0.44 V $

$E ^{\circ}\left( Cu ^{2+} . Cu \right)=+0.34 V $

$E ^0\left( Cu ^{+} . Cu \right)=+0.52 V $

$E ^{\circ}\left( O _2( g )+4 H ^{+}+4 e ^{-} \rightarrow 2 H _2 O \right)=+1.23 V $

$E ^{\circ}\left( O _2( g )+2 H _2 O +4 e ^{-} \rightarrow 4 OH \right)=+0.40 V $

$E ^0\left( Cr ^{3+} . Cr \right)=-0.74 V $

$E ^{\circ}\left( Cr ^{2+} . Cr \right)=-0.91 V$

Match $E ^{\circ}$ of the rebox pair in List $I$ with the values given in List $II$ and select the correct answer using the code given below the lists:

List $I$ List $II$
$P.$ $\quad E ^{\circ}\left( Fe ^{3+}, Fe \right)$ $1.$ $\quad-0.18 V$
$Q.$ $\quad E ^{\circ}\left(4 H _2 O \rightleftharpoons 4 H ^{+}+4 OH ^{-}\right)$ $2.$ $\quad-0.4 V$
$R.$ $\quad E ^{\circ}\left( Cu ^{2+}+ Cu \rightarrow 2 Cu ^{+}\right)$ $3.$ $\quad-0.04 V$
$S.$ $\quad E ^{\circ}\left( Cr ^{3+}, Cr ^{+2}\right)$ $4.$ $\quad-0.83 V$

Codes: $ \quad P \quad Q \quad R \quad S $ 

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