| ⇦ | 
| ⇨ |
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: - Acetamide and ethylamine can be distinguished by reacting with
- The formula for calcium chlorite is
- Which of the following is an azo dye
- CH₃CHCl₂, on hydrolysis gives
- Which of the following reactions will not result in the formation of carbon
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Acetamide and ethylamine can be distinguished by reacting with
- The formula for calcium chlorite is
- Which of the following is an azo dye
- CH₃CHCl₂, on hydrolysis gives
- Which of the following reactions will not result in the formation of carbon
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