AP EAMCET Engineering 22 Apr 2019 Shift 2 Paper

Section: Chemistry

Question : 136 of 160

Marks: +1, -0

Nitrogen, sulphur and phosphorus present in organic compounds are detected by the formation of which of the following coloured substances respectively.

Fe4[Fe(CN)6]3 : Prussian blue , [Fe(CN)5NOS]4− : Violet , (NH)43PO4.12MoO3 : Yellow
Fe4[Fe(CN)6]3 : Prussian blue , [Fe(SCN)]2+ : Blood Red , (NH)43PO4.12MoO3 : Violet
[Fe(CN)6]4− : Blue , [Fe(SCN)]2+ : Blood Red , (NH)43PO4.12MoO3 : Yellow
[Fe(CN)6]4− : Blue , [Fe(CN)5NOS]4− : Violet , (NH)43PO4.12MoO3 : Black

Validate

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