Illustrate the concept of 'common ion effect'.

Illustrate the concept of mole through a diagram.

Assertion (A) : P^(H) of an aqueous solution of acetic acid remians unchanged on the addition of sodium acetate. Reason ( R ) : Dissociation of acetic acid is supressed by the addition of soidum acetate due to common ion effect.

(A) Esters of fatty acids are hydrolysed by NaOH and the soap obtained remains in colloidal form. It is precipitated from the solution by adding NaCl. (R) Precipitation of soap is due to common ion effect.

Illustrate the chemistry of dihydrogen by its reaction with (b) Metal ions and metal oxides

Write notes on (i) Common ion effect (ii) The relation between K_(sp) and solubility (S) of a sparingly soluble salt BaSO_(4) .

Write an experiment to illustrate the conduction of sugars by phloem.

What is common ion effect? Illustrate.