The compound that does not give a positive test for nitrogen in Lassaigne's test is

  • A
    $o$-Nitrophenol
  • B
    Benzene diazonium chloride
  • C
    Sulfanilic acid
  • D
    $m$-Chloroaniline

Explore More

Similar Questions

What is formed when an amine is fused with sodium metal?

In organic compounds,nitrogen is tested in Lassaigne's test as:

The sodium fusion extract is boiled with concentrated nitric acid while testing for halogens. By doing so,it

Given below are two statements :
Statement $I$ : Nitrogen,sulphur,halogen and phosphorus present in an organic compound are detected by Lassaigne's Test.
Statement $II$ : The elements present in the compound are converted from covalent form into ionic form by fusing the compound with Magnesium in Lassaigne's test.
In the light of the above statements,choose the correct answer from the options given below :

Match List-$I$ with List-$II$:
List-$I$ (Test/Reagents/Observation) List-$II$ (Species detected)
$(a)$ Lassaigne's Test $(i)$ Carbon
$(b)$ $Cu(II)$ oxide $(ii)$ Sulphur
$(c)$ Silver nitrate $(iii)$ $N, S, P,$ and halogen
$(d)$ The sodium fusion extract gives black precipitate with acetic acid and lead acetate $(iv)$ Halogen specifically

The correct match is:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo