1823525
| Question | Answer |
| Aldehyde to a hydroxy-nitrile uses which reagent? | HCN (KCN/\(OH^-\)) |
| What are Benedict's and Fehlings both? | Oxidising agents |
| What is the difference between Benedict's and Fehlings? | Benedict's is in \(NaCO_3\) (aq) but Fehlings is in NaOH (aq) |
| What is a the name and colour of the substance formed in a positive result for Benedict's and Fehlings? | \(Cu_2O\), red-orange ppt |
| What is another name for Tollens? | Silver mirror test |
| What forms during the tollens test? | Solid silver and ammonia |
| Which organic compounds give a positive result with 2,4-DNPH? And what is observed? | Aldehydes and Ketones |
| What is the reagent(s) for the Iodoform test and what compound is formed? | \(I_2\)/NaOH \(CHI_{3(s)}\), pale yellow crystals smelling of antiseptic |
| 2 reducing agents and compounds they can reduce | \(LiAlH_4\) or \(NaBH_4\) or \(LiBH_4\). Carb A's, aldehydes and ketones |
| What does iodoform test test for? | \(H_3\)C-C=O |
| Ketone + KCN/\(OH^-\) --> | Hydroxy-nitrile |
| Carboxylic A + alcohol --> | Ester |
| Nitrile + \(H_2O\) + \(H^+\) ---> Name of reaction and conditions | Carb A + \(NH_4^+\) (ammonium) Hydrolysis of nitriles Reflux/boil |
| Carb A + \(PCl_5\) --> | Acyl chloride + \(POCl_3\) + \(HCl_{(g)}\) |
| What is the formula for potassium dichromate? | \(K_2Cr_2O_7\) |
| Formula for transesterification | Ester + alcohol --> new ester |
| What does esterification produce? | Ester + water |
| Equation for acid hydrolysis of an ester | Ester + \(H_20\) + \(H^+\) --> carb A + alcohol |
| Acyl chloride + alcohol --> | Ester + HCl |
| Dicarboxylic A + diol --> | Ester-linked polyester + water |
| Acyl Chloride + water --> List any conditions | Carb A + \(HCl_{(g)}\) Cold water |
| Acyl Chloride + conc. ammonia --> | Amide + \(HCl_{(g)}\) |
| Acyl Chloride + Amine --> | N-substituted amide + \(HCl_{(g)}\) |
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