Which of the following is most basic? b) NH2 a) NH2

Which of the following compounds is most basic? (a) NaCl (b) Na2CO_3 (c) CH_3COONa (d) NH_4Cl

Which of the following is the most activating in electrophilic aromatic substitution? -NO_2 " " - NH_2 " "-NHCOCH_3 " "-CN

Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Which of the following are acidic amino acids? (i) (CH_3)_2 CH - underset(NH_2)underset(|) CH - COOH (ii) HOOC - CH_2 - CH_2 - underset(NH_2)underset(|) CH - COOH (iii) H_2N - CH_2 - CH_2 - CH_2 - COOH (iv) HOOC - CH_2 - underset(NH_2)underset(|) CH - COOH

Which of the following compound has minimum pK_(b) (most basic)? NH_(2)-CH_(2)-CH=CH_(2) CH_(3)-CH_(2)-NH-CH_(2)-CH_(3) Ph-NH_(2) p-Bromo Aniline

Give the decreasing order of basic strength of the following : (a) NH_3 (b) NH_2OH ( c) NH_2-NH_2 .

Give the decreasing order of basic strength of the following : (a) NH_3 (b) NH_2OH ( c) NH_2-NH_2 .

Which of the following orders is true regarding the basic nature of NH_2 group?