| ⇦ | 
| ⇨ |
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: - The oxidation state of chlorine in HClO₄ is
- Terylene is a condensation polymer of ethylene glycol and
- Which of the following electronic configuration an atom has the lowest ionisation
- Molar volume of CO₂ is maximum at
- Certain bimolecular reactions which following first order kinetics are called
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The oxidation state of chlorine in HClO₄ is
- Terylene is a condensation polymer of ethylene glycol and
- Which of the following electronic configuration an atom has the lowest ionisation
- Molar volume of CO₂ is maximum at
- Certain bimolecular reactions which following first order kinetics are called
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