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I. Read the following passage and answer...

I. Read the following passage and answer questions 1 - 5 that follow:
Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to `Na_2 S` and halogens to sodium halides.
ln the Lassaigne's test for nitrogen in an organic compound, the prussian blue colour is due to ......

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**Step-by-Step Solution:** 1. **Understanding Lassaigne's Test**: Lassaigne's test is a qualitative analysis method used to detect the presence of nitrogen, sulfur, and halogens in organic compounds. The organic compound is fused with sodium metal, which converts these elements into their respective sodium salts. 2. **Reactions in Lassaigne's Test**: - Nitrogen is converted to sodium cyanide (NaCN). - Sulfur is converted to sodium sulfide (Na₂S). - Halogens are converted to sodium halides (NaX, where X is the halogen). ...
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I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. Give a test for detection of sulphur with Lassaigne's extract.

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. What colour will you get in Lassaigne's test if the compound contains both N and S?

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