Home
Class 11
CHEMISTRY
Lassaigne's test is used for detection o...

Lassaigne's test is used for detection of elements N, S, X and P. The sodium fused extract is tested for these elements with appropriate reagents. The observation made in to identify the element present in the organic compound.
The sodium fusion extrat is treated with `FeSO_(4)`, followed by `H_(2)SO_(4)`, gave blue colour. The element present in the compound is

A

sulphur

B

nitrogen

C

chlorine

D

phosphorus

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I (MATRIX MATCHING TYPE QUESTIONS))|3 Videos

  • PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I (INTEGER TYPE QUESTIONS))|3 Videos

  • PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I (MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS))|4 Videos

  • PERIODIC TABLE

    AAKASH SERIES|Exercise EXERCISE ON PASSAGE|12 Videos

  • REDOX REACTIONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE PRACTICE SHEET (ADVANCED) (More than One correct answer Type Questions)|35 Videos

Similar Questions

Explore conceptually related problems

Lassaigne's test is used for detection of elements N, S, X and P. The sodium fused extract is tested for these elements with appropriate reagents. The observation made in to identify the element present in the organic compound. Sulphur is organic compound on fusion with metallic sodium will be converted into

Lassaigne's test is used for detection of elements N, S, X and P. The sodium fused extract is tested for these elements with appropriate reagents. The observation made in to identify the element present in the organic compound. The sodium fusion of extract of an organic compound containing S, N on treatment FeCl_(3) solution gives a coloured solution. The colour of the solution is

Calculate the mass percent of the different elements present in sodium sulphate (Na_(2)SO_(4)) .

Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. In the process of testing elements in Lassaigne's a test, which of the following reactions do not occur.

Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. During testing of nitrogen in organic compound by Lassaigne's test, which of the following compounds are formed. (i) NaCN (ii) Fe_(4)[Fe(CN)_(6)]_(3) (iii) Na_(4)[Fe(CN)_(6)] (iv) Fe_(3)[Fe(CN)_(6)]_(4)

Nitrogen, sulphur and halogens are tested from the sodium fusion extract of the organic compound which is commonly known as Lassaigne's extract. For preparing Lassaigen's extract, a small quanty of the organic compound is fused with sodium metal in a fusion tube. The red tube is broken in distilled water, boiled and filtered. This filtrate is known as Lassaigne's extract or sdodium fusion extract. Which of the following is not applicable to Lassaigne's test

(A): Nitrogen in hydrazine hydroxylamine cannot be detected by 'Lassaigne's test' (R ): In the Lassaigne's extraction preparation with N_(2)H_(4) and NH_(2)OH , NaCN cannot be formed due to absence of carbon in these compounds

The hetero elements in organic compound are nitrogen, halogen, sulphur and phosphorousd, Nitrogen is estimated by Duma's method (or) Kjeldahl's method. The other hetero elements are estimated using Carius method. 0.25 g of an organic compound gave 22.4 ml. of N_(2) at STP by Duma's method. The percentage of Nitrogen in the compound is