Untitled
unknown
plain_text
a year ago
3.0 kB
4
Indexable
graph TB A[Aldehydes and Ketones] A --> B[Oxidation of Aldehydes with Potassium Permanganate] A --> C[2,4-Dinitrophenylhydrazine Test] A --> D[Schiff's Test] A --> E[Tollen's Test] A --> F[Fehling's Test] A --> G[Iodoform Test for Methyl Ketones] A --> H[Reaction with Sodium Bisulfite] A --> I[Chromic Acid Test] B --> B1[5 drops of 1% potassium permanganate in 1 mL distilled water] B1 --> B2[Add 4 drops of test sample, shake for 5 minutes] B2 --> B3[Check for discoloration] B3 --> B4{Discoloration?} B4 -- Yes --> B5[Record observations] B4 -- No --> B6[Add 3 drops of 6M sodium hydroxide, observe] B6 --> B7[Record observations] B --> B8[Write chemical equations] C --> C1[1 mL of 2,4-dinitrophenylhydrazine in test tube] C1 --> C2[Add 2 drops of test sample, shake] C2 --> C3[Observe for yellow precipitate] C3 --> C4[Repeat with acetic acid and ethanol] C4 --> C5[Write general equation for the reaction] D --> D1[1 mL of Schiff's reagent in 4 test tubes] D1 --> D2[Add 4 drops of test sample, swirl] D2 --> D3{Pink/Purple Color?} D3 -- Yes --> D4[Record observations] D3 -- No --> D5[Stopper, shake vigorously] D5 --> D6[Record observations] D --> D7[Write general chemical equation] E --> E1[Prepare Tollen's reagent just before use] E1 --> E2[Add 4 drops of test sample] E2 --> E3{Reaction at room temp for 2 min?} E3 -- Yes --> E4[Observe silver mirror or black precipitate] E3 -- No --> E5[Heat test tube at 60°C, observe for 3 min] E5 --> E6[Observe silver mirror or black precipitate] E --> E7[Write chemical equation] F --> F1[Mix 1 mL Fehling's solution A and B in test tube] F1 --> F2[Add 4 drops or 50 mg of test sample] F2 --> F3[Swirl mixture, observe] F3 --> F4{Precipitate?} F4 -- Yes --> F5[Record observations] F4 -- No --> F6[Heat in hot water bath, observe] F --> F7[Write chemical equation] G --> G1[4 drops of sample in 2 mL of 6M sodium hydroxide] G1 --> G2[Add iodine-potassium iodide solution until pink coloration] G2 --> G3[Heat at 60°C for 1 min, observe decolorization] G3 --> G4[Add more reagent to keep colored] G4 --> G5[Observe for precipitate] G --> G6[Repeat with isopropyl alcohol] G --> G7[Write chemical equations] H --> H1[4 drops of test sample in 1 mL sodium bisulfite solution] H1 --> H2[Shake for 1-2 min, let stand] H2 --> H3{Precipitate?} H3 -- Yes --> H4[Record observations] H3 -- No --> H5[Record observations] H --> H6[Explain results] I --> I1[1 mL of acetone in test tube] I1 --> I2[Add 5 drops of chromic acid reagent] I2 --> I3[Stand for 3 min] I3 --> I4{Reaction?} I4 -- Yes --> I5[Change solvent] I4 -- No --> I6[1 mL acetone, 2 drops of test sample, 5 drops chromic acid] I6 --> I7[Shake, observe discoloration] I --> I8[Write chemical equation]
Editor is loading...
Leave a Comment