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- Draw the structural formulas of the following compounds:(a) 2,3-Dimethylpentanal(b) 1,3-Dibromopropanone(c) 4-hydroxy-4-methylhexan-2-oneGiven that C6H11COOH has a pKa = 4.8 and C6H11N+H3 has a pKa = 10.7, (a) What pH would you make the water layer to cause the carboxylic acid to dissolve in the water layer and the amine to dissolve in the ether layer? (b) What pH would you make the water layer to cause the carboxylic acid to dissolve in the ether layer and the amine to dissolve in the water layer?PQ-27. What is the product of this reaction? (A) 0 OH a (B) (D) H₂ Pt
- 1. Draw structures corresponding to the following IUPAC names: (a) 4-Methylpentanoic acid (b) o-Hydroxybenzoic acid (c) 2,2-Dimethylpropanoyl chloride (d) trans-2-Methylcyclohexanecarboxamide (e) p-Methylbenzoic anhydride (f) p-BromobenzonitrileHow would you use simple chemical tests to distinguish between the following pairs of compounds?(a) sodium stearate and p-dodecylbenzenesulfonate (b) beeswax and “paraffin wax”(c) trimyristin and myristic acidUsing the data in Appendix C, determine which of the following bases is strong enough to deprotonate acetonitrile (CH3CN), so that equilibrium favors the products: (a) NaH; (b) Na2CO3; (c) NaOH; (d) NaNH2; (e) NaHCO3.
- (i)What class of drug is Ranitidine? (ii)If water contains dissolved Ca2+ ions, out of soaps and synthetic detergents, which will you use for cleaning clothes? (iii)Which of the following is an antiseptic? 0.2% phenol, 1% phenol(a) Write the chemical equation for the reaction involved in Cannizzaro reaction.(b) Draw the structure of the semicarbazone of ethanal.(c) Why pKa of F—CH2—COOH is lower than that of Cl—CH2—COOH?PQ-10. What is the major product of this reaction? 1) LiAlH4, Et₂O 2) H3O+ OH OH OH (A) (B) (C) (D) OH
- (a) Compound Z is a tertiary aromatic amine with the formula, C8H11N. Provide a chemical structure for compound Z. (b)nDraw the structure of the product formed exclusively when nitrous acid reacts with Z.Write chemical equations of the reactions of ethanoic acid with(a) Sodium(b) Sodium carbonate(c) Ethanol in the presence of conc. H2SO45. (a) HF is an acid. What is it's conjugate base ? (b) CIO₂ is a base. What is it's conjugate acid ? (c) What is the conjugate base of H₂PO4¹ ? (d) What is the conjugate acid of H₂PO4-¹ ?