Chemistry, asked by mahinkhan2503, 2 days ago

10. Which reagent gives blood red colour when both nitrogen and sulphur are present together in an organic compound? *
Ferrous sulphate
Sodium ferrocyanide
Ferric Chloride
Silver nitrate​

Answers

Answered by pradyun2007
0

Answer:

When both N & S are present:

The thiocyanate, SCN- reacts with Fe3+ to give a blood red coloration due to formation of [Fe(SCN)]2+.

Ferrous Sulphate

Answered by s15084cvanteedu13064
0

Answer:

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The blood red colour in the combination test of nitrogen and sulphur in organic compound is due to the formation of:

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Correct option is A)

Ferric Chloride (FeCl

3

) that reacts with Sodium Thiocyanate (NaCNS) to form Ferric Thiocyanate [Fe(CNS)

3

] which is blood red in color. This test can be used as a confirmatory test for organic compounds containing both Nitrogen and Sulfur (e.g. Methionine amino acid

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