Q48 / 200 · Manipal (MET) 2013 · Chemistry

Sodium extract of thioruea will be ________ colour in Lassaigne's test.

  • A
    blue
  • Correct answer
    B
    red
  • C
    yellow
  • D
    green

Solution

Sodium extract of thiourea will give red colour in Lassaigne's test due to the presence of both the elements nitrogen and sulphur.

Hence, the correct answer is option: 'B'.

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