MCQ
Identify the major product $\mathrm{C}$ formed in the following reaction sequence:

$Image$

  • A
     butylamine
  • B
    butanamide
  • C
    $\alpha$-bromobutanoic acid
  •  propylamine

Answer

Correct option: D.
 propylamine
d
$Image$

- Step$-l$ is $\mathrm{S}_{\mathrm{N}}$ reaction with $\stackrel{\ominus}{\mathrm{C}} \mathrm{N}$ nucleophile.

- Step$-Il$ will give amide.

- Step$-III$ is Hoffmann bromamide degradation reaction.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The number of carbon atoms present in a molecule of simple ether is:
Which of the following is oxidised by $S{O_2}$
$4-$methyl benzene sulphonic acid reacts with sodium acetate to give
Among $i-iii$ the boiling point follows the order
Which transition element does not exhibit variab oxidation states?
Identify the product in following order

$3,4,5-$Tribromoaniline  $\underset{\text{(ii) }{{H}_{3}}P{{O}_{2}}}{\mathop{\xrightarrow{\text{(i) diazotization}}}}\,\,?$

A metal surface of $100\,cm ^2$ area has to be coated with nickel layer of thickness $0.001 \,mm$. A current of $2\,A$ was passed through a solution of $Ni \left( NO _3\right)_2$ for ' $x$ ' seconds to coat the desired layer. The value of $x$ is $.........$. (Nearest integer)

( $\rho_{ Ni }$ (density of Nickel) is $10 \,gmL ^{-1}$, Molar mass of Nickel is $60\,gmol ^{-1} F =96500\,C\,mol ^{-1}$ )

The formula of ferrocene is
Complex $\mathrm{X}$ of composition $\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{\mathrm{n}}$ has a spin only magnetic moment of $3.83\; BM$. It reacts with $AgNO_{3}$ and shows geometrical isomerism. The $IUPAC$ nomenclature of $X$ is
Given below are two statements:

Statement $(I)$ : The $\mathrm{NH}_2$ group in Aniline is ortho and para directing and a powerful activating group.

Statement $(II)$ : Aniline does not undergo FriedelCraft's reaction (alkylation and acylation).

In the light of the above statements, choose the most appropriate answer from the options given below :