CHEMISTRY TEXTBOOK
The observed order of boiling points of isomeric amines is : primary amine > secondary amine > tertiary amine (see Table 1 ...
Table 13.4 : pKb Values of some amines in aqueous medium Amine Structural Formula pKb value Primary alkanamines : Methanamine Et ...
a. Influence of +I effect on stabilization of conjugate acids of aliphatic amines and NH 3 can be represented as shown below : S ...
From the pKb values we understand that arylamines in general are weaker bases than ammonia and aliphatic amines. Strength of ary ...
R-NH 2 -HXR-X R 2 NH -HXR-X R 3 N R-X-HX R 4 N ⊕ X (1° Amine) (2° Amine) (3° Amine) (Tetraalkyl ammonium halide) The reactions i ...
R-NH 2 + CHCl 3 + 3KOH ∆ R-NC + 3KCl + 3H 2 O (1° amine) (Alkyl isocyanide) primary amines. Secondary and tertiary amines do not ...
Aryl diazonium salts are resonance stabilized and useful as versatile intermidiates to obtain a variety of products. NNCl + OH O ...
S-Cl + H-N-C 2 H 5 O H O S-N-C 2 H 5 + HCl OH O (Benzenesulfonyl chloride) (1° amine) (N-Ethylbenzene sulfonamide) (Soluble in a ...
NH 2 NH 2 NO 2 NH 2 NO 2 Conc. HNO 3 + Conc H 2 SO 4 288 K NH 2 NO 2 + + (Aniline) (51%) (p-nitroaniline) (47%) (m-nitroaniline) ...
Sulfanilic acid exists as a salt; called dipolar ion or zwitter ion. It is produced by the reaction between an acidic group and ...
iii. Which amide does produce ethanamine by Hofmann bromamide degradation reaction? iv. Write the order of basicity of aliphatic ...
Can you recall? What are the constituents of balanced diet? What are the products of digestion of carbohydrates? Which constitu ...
Remember... About twenty different monosaccharides are found in carbohydrates. Disaccharides are the most common oilgosacchride ...
Can you recall? What are the products of reaction of i. CH 3 - CO - CH 3 with NH 2 - OH? ii. CH 3 - CHO with HCN? iii. CH 3 - OH ...
Use your brain power Write structural formula of glucose showing all the bonds in the molecule. Number all the carbons in the m ...
Figure 14.2 shows the Fisher projection formulae of glucose (I), gluconic acid (II) and saccharic acid (III). Glucose is an opti ...
Problem 14.2 : Assign D/L configuration to the following monosaccharides. CHO CH 2 OH H H OH HO (Threose) 2 1 3 4 i. CHO CH 2 OH ...
Fig. 14.6 : Haworth formula of anomers of glucopyranose O HO OH OH OH α- side (α- D - (+) - Glu- copyranose) CH 2 OH H H H H H 6 ...
Do you know? Invert sugar is commerically available as invert syrup. It is used as sweetene in bakery and confectionary products ...
Use your brain power Is galactose an aldohexose or a ketohexose? Which carbon in galactose has different configuration compared ...
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