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Indicate the expected result when the iodoform test is done on:
a. Ethyl alcohol
b. Isopropyl aclcohol
c. t-Butyl alcohol
d. Phenol
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- CLASSIFICATION OF ORGANIC COMPUNDS. USING SOLUBILITY EXAMPLE ( ANILINE + WATER = INSOLUBLE) SOLVENT LITMUS PAPER TEST sample 5% NaHCO3 5%HCL 5%NAOH CONC. H2SO4 ETHER RED LITMUS PAPER RESULT BLUE LITMUS PAPER RESULT CLASSIFICATION ANILINE ACETIC ACID PHENOL CYCLOHEXANOL 2-PROPANOLOL BROMOBENZENE ETHYLENE GLYCOL BENZOIC ACIDMULTIPLE CHOICE 1. A 37-40% solution of formaldehyde. * A. butyraldehyde B. acetone C. formalin D. acetaldehyde 2. Which of the following will GIVE a positive reaction to haloform reaction? * A. propanal B. butanal C. pentanal D. acetaldehyde1. Cite some reactions in which formaldehyde behaves differently from other aldehydes. 2. Give some biological and medical applications of: a. formalin b. chloral c. urotropine
- MULTIPLE CHOICE 1. What is the color of the solid produced when acetaldehyde is added with saturated Sodium bisulfite? A. yellow solid B. silver mirror C. brick red precipitate D. white crystalline precipitate 2. An aldehyde that is used in silvering mirrors. * A. propionaldehyde B. formaldehyde C. acetaldehyde D. butyraldehydeWhat kind of solvent ingredients is usually used in the concentrations of 4-10 percent in skin care products and their function is to soften skin cells and to lessen wrinkles? A. Ethly acetate B. Alpha hydroxyl acids C. Phenols and phenol derivatives D. Aliphatic alcoholswhy ethyl acetate is immiscible with water?
- MCQ 35: Halogens dissolve well in A. pentane B. ethane C. cyclohexane D. waterGrignard reagents react with aldehyde to form: а. Carbon dioxide b. Secondary alcohol С. Ketone d. Carboxylic acid.. .is the metal precipitated in Tollen's or Mirror's test for benzaldehyde. (e a. Na-metal O b. Ag-metal c. Hg-metal O d. Al-metal e. Cu metal
- Multiple matching type. Match the following organic compounds with the correct classification of in the second column and with it's use in third column. Write the letter of the correct answer in the space allotted. Separate the two letters with a hyphen, example: A-M. ANSWER ORGANIC COMPOUND CLASSI FICATION USE Barbiturates K. Thiol A. Local anesthetic Paracetamol L. Thioether B. Immunosuppressant Nicotine M. Amine C. Depilatory agent Azathioprine N. Amide D. Stimulant Cimetidine E. Antipyretic Gluthathione F. Allergic response Histamine G. Sedative Lidocaine H. Anti ulcerative Clindamycin I. Antioxidant Epinephrine J. Antibioticwhich has the greatest acidity? a. 2-hexanol b. valeric acid c. naphtol d. ethyl propionate which produces effervescence when dissolved in 10% sodium bicarbonate? a. 2-hexanol b. valeric acid c. napththol d. ethyl propionateGive the products formed when benzaldehyde and benzoic acid are treated with the given reagents. a. Tollen’s reagentb. phenylhydrazine, H+c. HCNd. NH2OHe. 1 mole H2, Nif. 1 mole CH3OH, H+g. LiAlH4 then H2O, H+h. 2 moles CH3OH, H+i. CH3MgCl, then H2O, H+j. H2O