classify the following as strong acids, strong bases and weak acids, weak bases:

(d) : Given that pKa = 4.8 and pKb = 4.78 Therefore,  pH = 7 + 1/2 (pK a – pKb ) = 7 + 1/2 (4.80 – 4.78) = 7.01

(a) Gravity is the feeble force among the four.

F- ,HSO4 - ,CO3 2- and NH3

NH2- , NH3 and HCOO-

HCl + HOH -------->  Cl- + H3O+  CH3COOH + HOH -------->  CH3COO- + H3O+  HCl is strong acid but chloride ion is a weak base similarly CH3COOH is weak acid but CH3COO-...

 NH3(g) = Lewis base, CH3COOH(aq)= Arrhenius acid , CO2(g), BF3 ,Ag+ = Lewis acid and HCO3 -1 is a Bronsted acid.

H2O =Conjugate acid -H3O+ ; Conjugate base -OH HCO3 -1 =Conjugate acid –H2O+ ; Conjugate base -OH

(a)Monobasic and a weak Lewis acid

Acids which ionize completely in aqueous solution-strong acids. Acids which ionize partially in aqueous solution-weak acids Hydrochloric acid, nitric acid-strong acid Acetic acid, formic acid-weak acid

(i) The acids which are obtained from plants and animals are called organic acids. Citric acid is obtained from the lemon. Vinegar contains acetic acid. (ii) Concentrated acids are very hot when they...