NEET Chemistry - New - Organic Compounds Containing Nitrogen

Buy NEET English 2022 (Express) Practice test pack

Question - 1

Nitration of aniline in strong acidic medium also gives m-nitroaniline because:

  • A In absence of substituents nitro group always goes to m-position.
  • B In electrophilic substitution reactions amino group is meta directive.
  • C Inspite of substituents nitro group always goes to only m-position.
  • D In acidic (strong) medium aniline is present as anilinium ion.

Question - 2

Which of the following reactions is appropriate for converting acetamide to methanamine?

  • A Carbylarnine reaction
  • B Hofmann bromarnide reaction
  • C Stephens reaction
  • D Gabriel phthalirnide synthesis

Question - 3

Which of the following nitro compounds does not react with nitrous acid?

  • A
  • B
  • C
  • D

Question - 4

The correct order of increasing reactivity of C - X bond towards nucleophile in the following compounds is:

          I               II                               III                          IV

  • A I < II < IV < III
  • B II < III < I < IV
  • C IV < III < I < II
  • D III < II < I < IV

Question - 5

Phenyl isocyanides are prepared from which of the following reaction?

  • A Rosenmund's reaction
  • B Carbylamine reaction
  • C Reimer-Tiemann reaction
  • D Wurtz reaction

Question - 6

In the reaction,
\({ CH }_{ 3 }CN+2H\xrightarrow [ { SnCl }_{ 2 } ]{ HCl } X\quad \underrightarrow { Boiling{ H }_{ 2 }O } Y,\) the term Y is:

  • A acetone
  • B ethanamine
  • C acetaldehyde
  • D dimethyl amine

Question - 7

Consider the following sequence of reactions compound [A] \(\underrightarrow { Reduction } \) [B] \(\underrightarrow { { HNO }_{ 2 } } \) CH3CH2OH The compound [A] is:

  • A CH3CH2CN
  • B CH3NO2
  • C CH3NC
  • D CH3CN

Question - 8

The product formed by the reaction of an aldehyde with a primary amine is:

  • A carboxylic acid
  • B aromatic acid
  • C Schiff's base
  • D ketone

Question - 9

Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?

  • A NaOH/Br2
  • B Sodalime
  • C Hot conc. H2SO4
  • D PCl4

Question - 10

In a reaction of aniline a coloured product C was obtained.

The structure of C would be:

  • A
  • B
  • C
  • D