| ⇦ | 
| ⇨ |
In Lassaigne’s test a violet colour obtained indicates the presence of
Options
(a) nitrogen
(b) sulphur
(c) halogen
(d) none of the above
Correct Answer:
sulphur
Explanation:
S + 2Na → Na₂S. Na₂S + Na₂[Fe(NO)(CN)₅] (Sodium nitroprusside) → Na₄[Fe(CN)₅NOS] (violet or purple colour).
Related Questions: - For a given exothermic reaction, Kp and K’p are the equilibrium constants
- Acetamide reacts with NaOBr in the alkaline medium to form
- Antiferomagnetic substances possess
- The solubility of AgCl will be minimum in
- Roasting is done in
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a given exothermic reaction, Kp and K’p are the equilibrium constants
- Acetamide reacts with NaOBr in the alkaline medium to form
- Antiferomagnetic substances possess
- The solubility of AgCl will be minimum in
- Roasting is done in
Topics: Basic Principles of Organic Chemistry (124)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply