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Question
Which of the following compounds gives blood red colouration when its Lassaignes extract is treated with alkali and ferric chloride?
Which of the following compounds gives blood red colouration when its Lassaignes extract is treated with alkali and ferric chloride?
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Solution
The correct option is D Thiourea
Thiourea is a compound which has got sulphur, carbon, and nitrogen. The sodium fusion extract of the compound will have thiocyanate ions resulting red colour of ferric ions.Hence answer is option A
Thiourea is a compound which has got sulphur, carbon, and nitrogen. The sodium fusion extract of the compound will have thiocyanate ions resulting red colour of ferric ions.
Hence answer is option A
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