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OCI Lab
Chart from Mr Tinker's Organic Compounds Indicator Lab
| Question | Answer |
|---|---|
| What organic compound does Lugol's Iodine react to? | polysaccharides (starch) |
| What is the positive result of Lugol's Iodine? | a blue-black color |
| What is the negative result of Lugol's Iodine? | an amber color |
| What organic compound does Benedict's Solution react to? | mono- and disaccharides |
| What is the positive result of Benedict's Solution? | an orange color |
| What is the negative result of Benedict's Solution? | a sky blue color |
| What organic compound does Sudan IV react to? | lipids |
| What is the positive result of Sudan IV? | a crimson or scarlet color |
| What is the negative result of Sudan IV? | a maroon color |
| What organic compound does Coagulation occur with? | protein |
| What is the positive result of Coagulation? | heat causing the coagulation |
| What is the negative result of Coagulation? | no coagulation |
| What organic compound does Biuret react to? | amino acids |
| What is the positive result of Biuret? | a purple or violet color |
| What is the negative result of Biuret? | a light blue color |
| What organic compound does Giemsa react to? | nucleic acids |
| What is the positive result of Giemsa? | a mossy green color |
| What is the negative result of Giemsa? | a royal blue color |
| What organic compound does Indophenol react to? | vitamin c |
| What is the positive result of Indophenol? | no color/a clear color |
| What is the negative result of Indophenol? | a royal blue color |