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Sometimes, the colour observed in Lassaigne’s test for nitrogen is green. It is because
  • a)
    of green colour of ferrous sulphate
  • b)
    ferric ferrocyanide is also green
  • c)
    of green colour of copper sulphate
  • d)
    of excess of Fe3+ ions whose yellow colour makes the blue colour of ferric ferrocyanide to appear green.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Sometimes, the colour observed in Lassaigne’s test for nitrogen ...
Although blue coloured ferric ferrocyanide is formed but due to the presence of yellow coloured Fe3+ salts, the blue colour gives the shade of green.
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Sometimes, the colour observed in Lassaigne’s test for nitrogen is green. It is becausea)of green colour of ferrous sulphateb)ferric ferrocyanide is also greenc)of green colour of copper sulphated)of excess of Fe3+ ions whose yellow colour makes the blue colour of ferric ferrocyanide to appear green.Correct answer is option 'D'. Can you explain this answer?
Question Description
Sometimes, the colour observed in Lassaigne’s test for nitrogen is green. It is becausea)of green colour of ferrous sulphateb)ferric ferrocyanide is also greenc)of green colour of copper sulphated)of excess of Fe3+ ions whose yellow colour makes the blue colour of ferric ferrocyanide to appear green.Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Sometimes, the colour observed in Lassaigne’s test for nitrogen is green. It is becausea)of green colour of ferrous sulphateb)ferric ferrocyanide is also greenc)of green colour of copper sulphated)of excess of Fe3+ ions whose yellow colour makes the blue colour of ferric ferrocyanide to appear green.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sometimes, the colour observed in Lassaigne’s test for nitrogen is green. It is becausea)of green colour of ferrous sulphateb)ferric ferrocyanide is also greenc)of green colour of copper sulphated)of excess of Fe3+ ions whose yellow colour makes the blue colour of ferric ferrocyanide to appear green.Correct answer is option 'D'. Can you explain this answer?.
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